The Expanse Season 4
With the Ring Gates now open to thousands of new planets, a blood-soaked gold rush begins, igniting new conflicts between Earth, Mars, and the Belt. Meanwhile, on one unexplored planet, the Rocinante crew gets caught in a violent clash between an Earth mining corporation and desperate Belter settlers as deadly, new threats from the protomolecule emerge.
01. New Terra
The crew of the Roci investigates a strange protomolecule ruin on an alien planet. Bobbie copes with civilian life on Mars. Drummer and Ashford battle with piracy in the Belt.
Steven Strait
Jim Holden
Cas Anvar
Alex Kamal
Dominique Tipper
Naomi Nagata
Wes Chatham
Amos Burton
Frankie Adams
Roberta 'Bobbie' W. Draper
Shohreh Aghdashloo
Chrisjen Avasarala
Cara Gee
Camina Drummer
Frances Fisher
Elise Holden
Nadine Nicole
Melba Koh
Kristen Holden-Ried
Coop
Thomas Jane
The Investigator
David Strathairn
Klaes Ashford
Burn Gorman
Adolphus Murtry
Rosa Gilmore
Lucia Mazur
Lyndie Greenwood
Elvi Okoye
Jess Salgueiro
Chandra Wei
Graham Gauthier
UNN Commander
Lily Gao
Nancy Gao
Ahmed Moustafa
Grizzled Belter
Chadwick Allen
Belter Pirate
Chris Gillett
Father Cesar
Craig Warnock
Mission Commander
Darren Marsman
Heavy Shuttle Scientist
Dayle McLeod
Leelee
Isaiah Adam
Tynan Crewman
Kolton Stewart
David Draper
Michael Xavier
Thomas
Nabeel El Khafif
Scotty
Patti Kim
Carol Chiwewe
Pearl Ho
Heavy Shuttle Scientist
Soroush Saeidi
Heavy Shuttle Technician
Steven Allerick
Benji Draper
Zach Smadu
Fayez
Daniella Zappala
Rana
02. Jetsam
Avasarala is blindsided while on a visit to Mars. The Roci crew continue their protomolecule investigation while tensions between the RCE and Belters reach a tipping point. Drummer and Ashford track down a terrorist.
Steven Strait
Jim Holden
Cas Anvar
Alex Kamal
Dominique Tipper
Naomi Nagata
Wes Chatham
Amos Burton
Frankie Adams
Roberta 'Bobbie' W. Draper
Shohreh Aghdashloo
Chrisjen Avasarala
Cara Gee
Camina Drummer
Kristen Holden-Ried
Coop
Thomas Jane
The Investigator
David Strathairn
Klaes Ashford
Burn Gorman
Adolphus Murtry
Rosa Gilmore
Lucia Mazur
Lyndie Greenwood
Elvi Okoye
Jess Salgueiro
Chandra Wei
Graham Gauthier
UNN Commander
Ahmed Moustafa
Grizzled Belter
Dayle McLeod
Leelee
Isaiah Adam
Tynan Crewman
Kolton Stewart
David Draper
Nabeel El Khafif
Scotty
Patti Kim
Carol Chiwewe
Zach Smadu
Fayez
Chai Valladares
Avasarala's Aide
Clyde Whitham
MCR Prime Minister
Dana Thody
Female Marine
Dylan Bailey
MVPD Officer
Jonathan Goldapple
Decorated MCRN Officer
Maria Syrgiannis
MVPD Detective
Michael Benyaer
Arjun
Peter Miller
Bartender
Seth Mohan
Martian CEO
Steven McCarthy
Jakob
Vicki Kim
Avasarala's Aide
Kyla Madeira
Felcia
Laura Marks
Writer
Breck Eisner
Director
03. Subduction
New alien threats emerge on Ilus as Naomi battles health challenges on the planet. Bobbie searches for a missing person on Mars. Avasarala faces a new challenge in the UN.
Steven Strait
Jim Holden
Cas Anvar
Alex Kamal
Dominique Tipper
Naomi Nagata
Wes Chatham
Amos Burton
Frankie Adams
Roberta 'Bobbie' W. Draper
Shohreh Aghdashloo
Chrisjen Avasarala
Cara Gee
Camina Drummer
Kristen Holden-Ried
Coop
Burn Gorman
Adolphus Murtry
Rosa Gilmore
Lucia Mazur
Lyndie Greenwood
Elvi Okoye
Jess Salgueiro
Chandra Wei
Paul Schulze
Esai Martin
Michael Brown
Lt. Lipson
Lily Gao
Nancy Gao
Ahmed Moustafa
Grizzled Belter
Dayle McLeod
Leelee
Kolton Stewart
David Draper
Nabeel El Khafif
Scotty
Patti Kim
Carol Chiwewe
Steven Allerick
Benji Draper
Zach Smadu
Fayez
Chai Valladares
Avasarala's Aide
Michael Benyaer
Arjun
Steven McCarthy
Jakob
Kyla Madeira
Felcia
Barrington Bignall
Desk Sergeant
Bradley Gordon
Kellan
Nathaniel McParland
Chike
Brian Frank
RCE Guard
Andrew Butcher
RCE Guard
Moses Nyarko
RCE Guard
Dan Nowak
Writer
David Petrarca
Director
04. Retrograde
Drummer and Ashford confront a dangerous person from Naomi's past. Murtry hunts down a target. Bobbie's makes a life-changing confession.
Steven Strait
Jim Holden
Cas Anvar
Alex Kamal
Dominique Tipper
Naomi Nagata
Wes Chatham
Amos Burton
Frankie Adams
Roberta 'Bobbie' W. Draper
Shohreh Aghdashloo
Chrisjen Avasarala
Cara Gee
Camina Drummer
David Strathairn
Klaes Ashford
Burn Gorman
Adolphus Murtry
Rosa Gilmore
Lucia Mazur
Lyndie Greenwood
Elvi Okoye
Jess Salgueiro
Chandra Wei
Paul Schulze
Esai Martin
Keon Alexander
Marco Inaros
Daniel Malik
Black Sky Leader
Isaiah Adam
Tynan Crewman
Kolton Stewart
David Draper
Michael Xavier
Thomas
Nabeel El Khafif
Scotty
Steven Allerick
Benji Draper
Zach Smadu
Fayez
Chai Valladares
Avasarala's Aide
Vicki Kim
Avasarala's Aide
Bradley Gordon
Kellan
Brian Frank
RCE Guard
Andrew Butcher
RCE Guard
Moses Nyarko
RCE Guard
Aniko Kaszas
RCE Scientist on the Israel
Ayisha Issa
Matar Kubileya Leader
Bradley Hamilton
MVPD Officer
Christian Potenza
Mason
J.D. Nicholsen
Golden Bough Leader
Justin Gajewski
Primo Arriaga
Jonathan Gajewski
Segundo Arriaga
Nelu Handa
Outreach Counselor
Scott Edgecombe
Dock Foreman
Matthew Rasmussen
Writer
David Petrarca
Director
05. Oppressor
As tensions on Ilus reach a boiling point, Holden reveals a secret. Avasarala debates Nancy Gao while an emergency on the Roci forces Alex and Naomi into action.
Steven Strait
Jim Holden
Cas Anvar
Alex Kamal
Dominique Tipper
Naomi Nagata
Wes Chatham
Amos Burton
Frankie Adams
Roberta 'Bobbie' W. Draper
Shohreh Aghdashloo
Chrisjen Avasarala
Cara Gee
Camina Drummer
Kristen Holden-Ried
Coop
Burn Gorman
Adolphus Murtry
Rosa Gilmore
Lucia Mazur
Lyndie Greenwood
Elvi Okoye
Jess Salgueiro
Chandra Wei
Michael Brown
Lt. Lipson
Lily Gao
Nancy Gao
Ryan Hollyman
UN Chief of Staff
Nabeel El Khafif
Scotty
Patti Kim
Carol Chiwewe
Zach Smadu
Fayez
Michael Benyaer
Arjun
Steven McCarthy
Jakob
Vicki Kim
Avasarala's Aide
Bradley Gordon
Kellan
Christian Potenza
Mason
Bola Aiyeola
Older Voter
Daniel Chichagov
Young Voter
Daniyah Ysrayl
Young Voter
Deney Forrest
Secret Service Agent
Jarret Wright
RCE Guard Liam
Justin Michael Carriere
Angeletti
Madison Walsh
Campaign Manager
Ryan Turner
RCE Guard Eugene
Tim Masterson
George Cantor
Adriana Crivici
RCE Guard
06. Displacement
The Roci crew prepares for an incoming disaster on Ilus. Ashford and Drummer close in on an enemy within the Belt. Bobbie takes on a dangerous job.
Steven Strait
Jim Holden
Cas Anvar
Alex Kamal
Dominique Tipper
Naomi Nagata
Wes Chatham
Amos Burton
Frankie Adams
Roberta 'Bobbie' W. Draper
Shohreh Aghdashloo
Chrisjen Avasarala
Cara Gee
Camina Drummer
David Strathairn
Klaes Ashford
Burn Gorman
Adolphus Murtry
Rosa Gilmore
Lucia Mazur
Lyndie Greenwood
Elvi Okoye
Jess Salgueiro
Chandra Wei
Paul Schulze
Esai Martin
Keon Alexander
Marco Inaros
Michael Brown
Lt. Lipson
Dayle McLeod
Leelee
Michael Xavier
Thomas
Patti Kim
Carol Chiwewe
Zach Smadu
Fayez
Steven McCarthy
Jakob
Kyla Madeira
Felcia
Nathaniel McParland
Chike
Aniko Kaszas
RCE Scientist on the Israel
Scott Edgecombe
Dock Foreman
Justin Michael Carriere
Angeletti
Ahmed Mesallati
Shady Dude
Jamaal Grant
Barbapiccola Captain
Jung-Yul Kim
Terraforming Guard
Adriana Crivici
RCE Guard
Kerry Griffin
UNN Tripoli Captain
Michelle Alexander
Pizzouza Skipper
Tim Campbell
Beltran
Corey Wadden
Tripoli XO
Dale R. Miller
Fence
Paige Williams
Smiling Daughter
Hallie Lambert
Writer
Jeff Woolnough
Director
07. A Shot in the Dark
Naomi and Alex work to keep the Barbapiccola in orbit amidst a power outage. Avasarala faces a tough decision. Holden and Elvi race to find a cure for a disease spreading on Ilus.
Steven Strait
Jim Holden
Cas Anvar
Alex Kamal
Dominique Tipper
Naomi Nagata
Wes Chatham
Amos Burton
Frankie Adams
Roberta 'Bobbie' W. Draper
Shohreh Aghdashloo
Chrisjen Avasarala
Cara Gee
Camina Drummer
Benz Antoine
General McCourt
Burn Gorman
Adolphus Murtry
Rosa Gilmore
Lucia Mazur
Lyndie Greenwood
Elvi Okoye
Jess Salgueiro
Chandra Wei
Keon Alexander
Marco Inaros
Patti Kim
Carol Chiwewe
Michael Benyaer
Arjun
Steven McCarthy
Jakob
Kyla Madeira
Felcia
Nathaniel McParland
Chike
Jarret Wright
RCE Guard Liam
Justin Michael Carriere
Angeletti
Madison Walsh
Campaign Manager
Ryan Turner
RCE Guard Eugene
Jamaal Grant
Barbapiccola Captain
Chai Valladares
Aide Diaz
Tara Rosling
Officer Adams
Adam Christie
Scared Belter
08. The One-Eyed Man
Avasarala faces fallout for the UN's military mission. Ashford and Drummer makes big decisions about their future within the OPA. A spreading illness on Ilus takes a toll on Amos. Alex and Naomi's attempt to rescue the Barb turns desperate.
Steven Strait
Jim Holden
Cas Anvar
Alex Kamal
Dominique Tipper
Naomi Nagata
Wes Chatham
Amos Burton
Frankie Adams
Roberta 'Bobbie' W. Draper
Shohreh Aghdashloo
Chrisjen Avasarala
Cara Gee
Camina Drummer
Paul Schulze
Esai
Benz Antoine
General McCourt
Chad L. Coleman
Fred Johnson
Thomas Jane
The Investigator
David Strathairn
Klaes Ashford
Burn Gorman
Adolphus Murtry
Rosa Gilmore
Lucia Mazur
Lyndie Greenwood
Elvi Okoye
Jess Salgueiro
Chandra Wei
Katerina Taxia
Katlin
Lily Gao
Nancy Gao
Dayle McLeod
Leelee
Kolton Stewart
David Draper
Michael Xavier
Thomas
Patti Kim
Carol Chiwewe
Michael Benyaer
Arjun
Steven McCarthy
Jakob
Vicki Kim
Avasarala's Aide
Kyla Madeira
Felcia
Nathaniel McParland
Chike
Madison Walsh
Campaign Manager
Jamaal Grant
Barbapiccola Captain
Michelle Alexander
Pizzouza Skipper
Tim Campbell
Beltran
Chai Valladares
Aide Diaz
Tara Rosling
Officer Adams
Heather Dicke
Reporter
Jeremy Birrell
Reporter
Anna Pugach
Emily
Maxim Respublicanschii
Charlie
Nicholas LePage
Freaked Out Belter
09. Saeculum
Holden and Miller race to save Ilus. Murtry puts his endgame into motion, putting the Roci crew's lives at risk.
Steven Strait
Jim Holden
Cas Anvar
Alex Kamal
Dominique Tipper
Naomi Nagata
Wes Chatham
Amos Burton
Frankie Adams
Roberta 'Bobbie' W. Draper
Shohreh Aghdashloo
Chrisjen Avasarala
Cara Gee
Camina Drummer
Thomas Jane
The Investigator
Burn Gorman
Adolphus Murtry
Rosa Gilmore
Lucia Mazur
Lyndie Greenwood
Elvi Okoye
Jess Salgueiro
Chandra Wei
Zach Smadu
Fayez
Steven McCarthy
Jakob
Kyla Madeira
Felcia
Nathaniel McParland
Chike
Christian Potenza
Mason
Mike Vitorovich
Security Officer
10. Cibola Burn
Ashford closes in on an enemy while uncovering a dangerous plot. Avasarala faces a crossroads in her personal and political life. The Roci crew works to reestablish life on Ilus in the wake of a deadly catastrophe.
Steven Strait
Jim Holden
Cas Anvar
Alex Kamal
Dominique Tipper
Naomi Nagata
Wes Chatham
Amos Burton
Frankie Adams
Roberta 'Bobbie' W. Draper
Shohreh Aghdashloo
Chrisjen Avasarala
Cara Gee
Camina Drummer
David Strathairn
Klaes Ashford
Burn Gorman
Adolphus Murtry
Rosa Gilmore
Lucia Mazur
Lyndie Greenwood
Elvi Okoye
Jess Salgueiro
Chandra Wei
Paul Schulze
Esai Martin
Keon Alexander
Marco Inaros
Jasai Chase-Owens
Filip Inaros
Lily Gao
Nancy Gao
Dayle McLeod
Leelee
Patti Kim
Carol Chiwewe
Zach Smadu
Fayez
Michael Benyaer
Arjun
Steven McCarthy
Jakob
Kyla Madeira
Felcia
Nathaniel McParland
Chike
Tim Campbell
Beltran
Chai Valladares
Aide Diaz
Dru Viergever
Victor Sohiro
Joe Roncetti
Arum Lee
R.J. Parrish
Jorge Sohiro
Meghan Allen
Tynan XO
Tyler Williams
Marco's Guard