Nick Frost
Commander Michael Henderson (6 eps)
Miranda Hart
Diplomatic Officer Chloe Alice Teal (6 eps)
Kevin Eldon
First Officer Eduardo Pauline York (6 eps)
Dan Antopolski
Technical Officer Karl Jeffers (6 eps)
Stephen Evans
Navigator Dave Vine (6 eps)
Petra Massey
Sandstrom (6 eps)
Waen Shepherd
Captain Helix (4 eps)
Paterson Joseph
Space Marshall Clarke (3 eps)
Maggie Service
Computer (voice) (3 eps)
Stephen Mangan
Mason (1 eps)
Montserrat Lombard
Lavya (1 eps)
Geoffrey McGivern
Supreme Ruler (1 eps)
Robert Galas
Teenager (1 eps)
Hon Ping Tang
Sergeant Destruction (1 eps)
Dustin Demri-Burns
Queppu Warrior (1 eps)
Stephan Kreiss
Gunface (1 eps)
Catherine Shepherd
Arabella (1 eps)
Jim Howick
Swamp Creature (1 eps)
Dan Tetsell
Robot #1 (1 eps)
Tom Basden
Lallakkiss (1 eps)
Fox Jackson-Keen
Lallakkid (1 eps)
Andy Riley
Pastie Lord (1 eps)
Clare Thomson
Commander Roche (1 eps)
Thaila Zucchi
Commander Gulati (1 eps)
Alisdair McKee
Scrane (1 eps)