as James Simpson

as Peter Keating

as Oliver Reed

as Jeffrey Stewart

as Dr. Parry

as Dr. Richard Talbot

as Warren Packer

as Gen. Webster

as Oliver 'Ollie' Reed

as Dr. Thorne

as Martin Blackford

as District Attorney Tom Paine

as Attorney (uncredited)

as Paul Martin

as David Cummins

as Secretary of the Air Force

as Robert Dodd

as Dr. Pete Graham

as Secretary of War

as Raymond

as Andrew Oxley

as Dr. Fain

as Harry Gordon

as Danny Coates

as Stanley Baxter

as Bill Fergunson

as Professor Nichols

as Quanah Parker

as Paul Winter Sr.

as Woode Swift

as Akamai Barnes

as Frank Lucas

as Capt. Reining - American Working for the Nazis

as Francis Fairon

as Kenneth Bartlett

as Dr. Edward Laurent

as Brig. Gen. Charles Lane

as Dr. Shoemaker

as Gus Iverson

as John Rogers

as Oliver Parmalee

as John Hill

as Hoopendecker

as Uncle George Clancy

as Mr. Patterson

as Cyril Lounsberry

as Lewis H. Wengler

as Mr. Eversley

as Gen. Enright

as Paul Kimmel

as Simon Isham

as Gates Trimble Pomfret

as Father Keating

as General

as Kaverley

as Captain A. Edwards

as Instructor Lieutenant

as Briefing Colonel

as Professor Fritz Bhaer

as Narrator

as Narrator

as Producer