Ron Harper

Alan Virdon

James Naughton

Pete Burke

Roddy McDowall

Galen

Jacqueline Scott

Kira

Martin E. Brooks

Leander

Norman Burton

Yalu

Booth Colman

Zaius

Mark Lenard

Urko

Phillip Montgomery

Jordo

David Naughton

Dr. Stole

Michael Strong

Travin

Jamie Smith-Jackson

Girl / Arna

Harry Townes

Dr. Malthus