Doctor Who: The Ark in Space (1975)

Tom Baker

as The Doctor

Elisabeth Sladen

as Sarah Jane Smith

Ian Marter

as Harry Sullivan

Wendy Williams

as Vira

K

Kenton Moore

as Noah

R

Richardson Morgan

as Rogin

John Gregg

as Lycett

C

Christopher Masters

as Libri

S

Stuart Fell

as The Wirrn

Nick Hobbs

as The Wirrn

G

Gladys Spencer

as High Minister (voice)

Peter Tuddenham

as Voices on Nerva (voice)