Stephen Samson

as Luca Parmitano

as Dr. Oscar Diggs

as Luca Parmitano

as Jimmy Springer (6 episodes)

as Corporal Caylor (uncredited)

as Jim Samson

as Dr. Eric Nesbitt

as Olympic Grandstand Spectator

as Sam, Writer, Director

as Ander

as Michael

as Steve

as Kamar-Taj Defender / 838 Starer / Cab Driver (uncredited)

as Falkirk Walker (1 episode)

as Polis Vaala

as KGB (uncredited)

as Janitor (1 episode)

as Utrax Swat (uncredited) (1 episode)

as New Yorker

as P. C R. Michaels (1 episode)

as Narrator • Old Lady • Ned, Director, Writer

as Dave McCartney

as John Cruickshanks

as Charterman

as Greenkeeper