Theodore Newton

as Ethan

as Raven

as Dave Cameron

as Dr. Kemper (uncredited)

as Doc Karnes

as Head Librarian

as Tom Booth

as Buzz

as Major Harvey

as Edward Eagan

as Bob Kilpatrick

as Detective Capt. Getz

as Physician

as Mr. Nash

as Lt. Shea

as Dr. Cooper

as Dr. Allen

as Sam Kern

as Mr. Gordon

as Sgt. Wally Shane

as Hayes

as Dr. Boyd

as Mr. Brewer

as Gibbs - Chauffeur

as Piers Whiteoaks

as Ray Braddock

as Tom

as Paul

as Joe

as Rocklen

as Elmer Croy

as Steve Laird

as Paul Nordholm

as Jack Winton

as Foster 'Froggy' Kelley

as François

as Jack Burton

as Tommy Hartland