Vince Edwards

Maj. Michael Devlin

Richard Basehart

Brig. Gen. Russell Hamner

William Shatner

Lt. Col. Josef Gronke

Lou Antonio

Tony

Lawrence P. Casey

Gant

Dennis Cooney

Brandy

Brad David

Elmo

Patrick Wayne

Mac

Alan Caillou

Corey

Timur Bashtu

Beddo

Noah Keen

Maj. Gen. Schurm

Ian Abercrombie

British co-pilot

David Cannon

Capt. Patrick

John Winston

British Pilot

Julie Bennett

Amanda

Bart Burns

Older Senator (uncredited)