as Captain Paul Prescott
as Ambassador Trentino
as Harry Gaines
as Narrator (voice) (uncredited)
as Freddie Melrose
as Uncle Willie
as Grandfather
as Col. Buffalo Bill Cody
as Jim Murdock
as Verne Coolan
as Charles Y. Bewell
as Col. Zapt
as Boris Morosov
as Colonel Piniev
as 'Dapper Dan' Barker
