Blake's 7 Season 4
01. Rescue
Dorian, owner of the spaceship Scorpio, rescues the crew from Terminal. He tries to enlist the help of Orac to build a teleport mechanism for Scorpio and attempts to kill the crew.
Michael Keating
Vila Restal
Josette Simon
Dayna Mellanby
Paul Darrow
Kerr Avon
Peter Tuddenham
Slave / ORAC
Steven Pacey
Del Tarrant
Glynis Barber
Soolin
Geoffrey Burridge
Dorian
Jan Chappell
Cally (voice) (uncredited)
Chris Boucher
Writer
Mary Ridge
Director
02. Power
The Scorpio, rendered inaccessible by an elaborate security system, is stolen by a native of the planet who seeks to escape. Avon completes the Scorpio teleport system with the help of Orac.
Michael Keating
Vila Restal
Josette Simon
Dayna Mellanby
Paul Darrow
Kerr Avon
Peter Tuddenham
Slave / ORAC
Steven Pacey
Del Tarrant
Glynis Barber
Soolin
Juliet Hammond-Hill
Pella
Dicken Ashworth
Gunn-Sar
Alison Glennie
Kate
Jenny Oulton
Nina
Paul Ridley
Cato
Linda Barr
Luxia
Steve Kelly
Hommik Warrior
Mary Ridge
Director
03. Traitor
The planet Helotrix is falling easily to attack from a new Federation pacification drug, as are many other star systems. Tarrant and Dayna teleport down to the surface to investigate. Servalan, deposed of her presidency in the Federation, is back under the alias Commissioner Sleer having wiped all records connecting herself with the identity of Servalan.
Michael Keating
Vila Restal
Josette Simon
Dayna Mellanby
Paul Darrow
Kerr Avon
Peter Tuddenham
Slave / ORAC
Steven Pacey
Del Tarrant
Glynis Barber
Soolin
David Quilter
The Tracer
Malcolm Stoddard
Leitz
Jacqueline Pearce
Servalan
Christopher Neame
Colonel Quute
Robert Morris
Major Hunda
John Quentin
Practor
Edgar Wreford
Forbus
Nick Brimble
General
Neil Dickson
Avandir
Cyril Appleton
Sgt. Hask
George Lee
Igin
Robert Holmes
Writer
David Sullivan Proudfoot
Director
04. Stardrive
After attempts to match the course of an asteroid for cover result in collision with the asteroid and severe damage to Scorpio's engines, the crew search for an experimental stardrive developed by an ex-Federation designer who is now working for a terrorist group.
Michael Keating
Vila Restal
Josette Simon
Dayna Mellanby
Paul Darrow
Kerr Avon
Peter Tuddenham
Slave / ORAC
Steven Pacey
Del Tarrant
Glynis Barber
Soolin
Damien Thomas
Atlan
Barbara Shelley
Dr. Plaxton
Peter Sands
Bomber
Leonard Kavanagh
Napier
David Sullivan Proudfoot
Director
05. Animals
Dayna meets an old friend, Justin, to seek help with synthesizing an antidote to the Federation pacification drug. Servalan learns of Scorpio's visit to Justin's planet and of the genetic research he is performing there.
Michael Keating
Vila Restal
Josette Simon
Dayna Mellanby
Paul Darrow
Kerr Avon
Peter Tuddenham
Slave / ORAC
Steven Pacey
Del Tarrant
Glynis Barber
Soolin
Peter Byrne
Justin
Jacqueline Pearce
Servalan
Kevin Stoney
Ardus
William Lindsay
Captain
Max Harvey
Borr
David Boyce
Og
Allan Prior
Writer
Mary Ridge
Director
06. Headhunter
The crew rescue a protege of Ensor's who instead turns out to be his android creation seeking to unite with Orac.
Michael Keating
Vila Restal
Josette Simon
Dayna Mellanby
Paul Darrow
Kerr Avon
Peter Tuddenham
Slave / ORAC
Steven Pacey
Del Tarrant
Glynis Barber
Soolin
Lynda Bellingham
Vena
John Westbrook
Muller
Douglas Fielding
Technician
Nick Joseph
Android / Mullers Corpse
Roger Parkes
Writer
Mary Ridge
Director
07. Assassin
Servalan hires an assassin to kill the crew by luring them to a trap set aboard the assassin's ship.
Michael Keating
Vila Restal
Josette Simon
Dayna Mellanby
Paul Darrow
Kerr Avon
Peter Tuddenham
Slave / ORAC
Steven Pacey
Del Tarrant
Glynis Barber
Soolin
Richard Hurndall
Nebrox
Betty Marsden
Verlis
Jacqueline Pearce
Servalan
Caroline Holdaway
Piri
Peter Attard
Benos
Adam Blackwood
Tok
David Sullivan Proudfoot
Director
08. Games
The scientist Belkov has stripped a planet of a valuable crystalline substance and tries to double cross both Servalan and the Scorpio crew in an attempt to escape with the private stash he has collected. He is aided by his computer, an amalgamation of a standard Federation computer and a pleasure planet gaming machine.
Michael Keating
Vila Restal
Josette Simon
Dayna Mellanby
Paul Darrow
Kerr Avon
Peter Tuddenham
Slave / ORAC
Steven Pacey
Del Tarrant
Glynis Barber
Soolin
Stratford Johns
Belkov
Jacqueline Pearce
Servalan
Rosalind Bailey
Gambit (voice)
David Neal
Gerren
Vivienne Cozens
Director
09. Sand
Servalan investigates a planet which contains an unknown substance of potential usefulness whose investigation team mysteriously died. The crew learn of Servalan's trip and decide to investigate for themselves.
Josette Simon
Dayna Mellanby
Michael Keating
Vila Restal
Paul Darrow
Kerr Avon
Peter Tuddenham
Slave / ORAC
Steven Pacey
Del Tarrant
Glynis Barber
Soolin
Stephen Yardley
Investigator Reeve
Jacqueline Pearce
Servalan
Peter Craze
Servalan's Assistant
Daniel Hill
Chasgo
Jonathan David
Don Keller
Tanith Lee
Writer
Vivienne Cozens
Director
10. Gold
A plan to steal a shipment of atomically converted gold being transported from the planet Xeroc aboard a domestic passenger ship winds up turning into a major loss for the crew.
Michael Keating
Vila Restal
Josette Simon
Dayna Mellanby
Paul Darrow
Kerr Avon
Peter Tuddenham
Slave / ORAC
Steven Pacey
Del Tarrant
Glynis Barber
Soolin
Roy Kinnear
Keller
Jacqueline Pearce
Servalan
Antony Brown
Doctor Slaten
Norman Hartley
Captain Kennedy
11. Orbit
The scientist Egrorian offers Avon a powerful weapon, the Tachyon Funnel, in exchange for Orac. Servalan, who is behind the transfer, prepares a plan to double-cross Avon that would give her both the Tachyon Funnel and Orac.
Michael Keating
Vila Restal
Josette Simon
Dayna Mellanby
Paul Darrow
Kerr Avon
Peter Tuddenham
Slave / ORAC
Steven Pacey
Del Tarrant
Glynis Barber
Soolin
Jacqueline Pearce
Servalan
John Savident
Egrorian
Larry Noble
Pinder
Robert Holmes
Writer
12. Warlord
Avon tries to form an alliance to produce an anti-pacification drug by negotiating with the leaders of three warring star systems. The Xenon base is sabotaged by explosives and a deadly virus. Tarrant falls in love with the daughter of the saboteur.
Josette Simon
Dayna Mellanby
Michael Keating
Vila Restal
Paul Darrow
Kerr Avon
Peter Tuddenham
Slave / ORAC
Steven Pacey
Del Tarrant
Glynis Barber
Soolin
Bobbie Brown
Zeeona
Roy Boyd
Zukan
Jacqueline Pearce
Servalan
Dean Harris
Finn
Rick James
Chalsa
Charles Augins
Lod
Simon Merrick
Boorva
Brian Spink
Mida
Viktors Ritelis
Director
13. Blake
After Orac traces Blake's trail to the planet Gauda Prime, Avon and crew travel there, leaving the destroyed Xenon base behind. Scorpio is attacked on approach to the planet and crash lands on the surface of Gauda Prime. Avon and crew travel in search of Blake, and discover that he may have sold out to the Federation.
Gareth Thomas
Roj Blake
Josette Simon
Dayna Mellanby
Michael Keating
Vila Restal
Paul Darrow
Kerr Avon
Peter Tuddenham
Slave / ORAC
Steven Pacey
Del Tarrant
Glynis Barber
Soolin
David Collings
Deva
Sasha Mitchell
Arien
Janet Lees-Price
Klyn
Steve Kelly
Plantation Bounty Hunter
Chris Boucher
Writer
Mary Ridge
Director