Acting (Lloyd Trent)

Acting (Self)

Acting (Dr. Carrington)

Acting (Storekeeper)

Acting (Dr. Flankon (uncredited))

Acting (Earl Cott)

Acting (Dr. Alistair Craig)

Acting (Minister)

Acting (Huddleston)

Acting (Professor Blount)

Acting (Dr. Tighe)

Acting (Mr. Reed)

Acting (Dr. Hartfield)

Acting (Dr. Ashburn)

Acting (Pastor Dixon)

Acting (Frank Cavanaugh)

Acting (Hearing Officer)

Acting (Dr. Bradville)

Acting (Mr. Hayes)

Acting (Ben)

Acting (First Scientist)

Acting (Studio Photo Archivist (uncredited))

Acting (George - Hotel Clerk)

Acting (Harper)

Acting (Springer)

Acting (Dr. Shelby)

Acting (Mr. Phillips)

Acting (Dr. Bergman)

Acting (Tommy Preston, Wyoming Hotel Owner)

Acting (Franz Loeffler)

Acting (Sen. Royce)

Acting (Caiaphas)

Acting (Gov. Renault)

Acting (Harry Knight - Lindbergh Student (uncredited))

Acting (Dr. Lomas)

Acting (Napoleon Bonaparte)

Acting (FBI Agent)