William Holden as Lt. William Calhoun
Nancy Olson as Judy
Supporting Actors:
Barry Fitzgerald as Grandpa Jones
Allyn Joslyn as Charlie Winninger
Herbert Anderson as Conductor
Howard St. John as Ticket Agent
William Demarest as Detective Kennedy
Fred Clark as Detective Phillips
Lyle Bettger as Casey
Jay C. Flippen as Harry Morgan
Jeff York as Jack