William K. Howard Director Edmund Lowe Dr. John Mandre Actor Lucille Fairbanks Peg Campbell Actor William Henry Jim Armstrong Actor Ralph Morgan Dr. Brady Actor Mary Forbes Mrs. Langton Actor Jean Brook Rae Langton Actor Vince Barnett Alaska Actor Clyde Cook Yukon Actor Robert Middlemass Sam Armstrong Actor John Roche Brad Rogers Actor Monte Blue Flight Dispatcher Actor Kenneth Harlan Flight Dispatcher Actor Maurice King Producer Henry Blankfort Screenwriter L. W. O'Connell Cinematographer Jack Dennis Film Editing E.R. Hickson Art Director