Doctor Who: The Ark

William Hartnell

as The Doctor

Peter Purves

as Steven Taylor

Jackie Lane

as Dodo Chaplet

Eric Elliott

as Commander

Inigo Jackson

as Zentos

Roy Spencer

as Manyak

Michael Sheard

as Rhos

Kate Newman

as Mellium

Ian Frost

as Baccu

Stephanie Heesom

as Guardian

Paul Greenhalgh

as Guardian

Edmund Coulter

as Monoid

Frank George

as Monoid

Ralph Carrigan

as Monoid

John Caesar

as Monoid

Roy Skelton

as Monoid Voice

John Halstead

as Monoid Voice

Terence Woodfeld

as Maharis

Brian Wright

as Dassuk

Eileen Helsby

as Venussa

Terence Bayler

as Yendom

Richard Beale

as Refusian Voice