George R. Robertson

as Adam (70-90)

as Walt

as Chester

as Mr. Danderford

as Stuart Mosley

as Senator Fulbright

as Dr. Oakley

as Fishelson

as Dick Welsh

as The Commissioner

as Mack Falls

as Alyson's father

as Senator Warren Clarke

as President Davis

as Mr. Draper

as Fleet Admiral William D. Leahy

as Richard Lance

as Reg Culbertson

as White House Man

as Adrienne's Father

as Kyle Copeland

as Ed Condon

as Hurst

as General Mann

as Norman Reynolds

as Hurst

as Commissioner Hurst

as Phillips

as Chief Hurst

as Chief Hurst

as Master of Ceremonies

as Chief Hurst

as U.S. Consul

as Gen. Leslie Groves

as Farmer

as Colonel Lucas

as Mounted Police Inspector Francis Fitzgerald

as Burdock

as John Ogden

as Lou Comfort (uncredited)