Calificación
Reparto

Jeffrey Byron
Luther Starling

Larry Cedar
Roger Pike

Roy Kinnear
Bidley

Lee Montague
Vorg

Mona Washbourne
Aunt Lydia

David Kossoff
Prof. Buchinski

Frank Windsor
McGuffin

Walter Gotell
Simmons

Nigel Davenport
Arthur Minton

Dudley Sutton
Goetz

David Battley
Peters

Julian Orchard
Driscoll

Kathleen Harrison
Elderly Lady

Percy Herbert
Ship's Captain

Don Fellows
General

Bruce Boa
Colonel