- Dean Martin
- Bob Miles
- Jerry Lewis
- Wilbur Hoolick
- Diana Lynn
- Nancy Collins
- Nina Foch
- Gretchen Brendan
- Raymond Burr
- Noonan
- Mitzi McCall
- Skeets Powell
- Veda Ann Borg
- Mrs. Noonan
- Margery Maude
- Mrs. Ella Brennan
- Romo Vincent
- Ticket Agent
- Nancy Kulp
- Marty's Mother
- Milton Frome
- Lieutenant O'Malley
- Peter Adams
- Desk Clerk
- Heather Ames
- Girl in Lobby
- Bobby Barber
- Union Station Newsstand Clerk
- James Burke
- Pullman Conductor
- Robert Carson
- Tailor
- Hans Conried
- François
- Richard H. Cutting
- Hotel Guard
- Roy Damron
- Jitterbug Dancer
- Elaine DuPont
- (uncredited)
- Franklyn Farnum
- Man in Ticket Line
- Mickey Finn
- Sergeant Brown
- Bess Flowers
- Lobby Extra
- Dick Gordon
- Faculty Member
- Herschel Graham
- Train Passenger
- Donna Jo Gribble
- Schoolgirl
- Whitey Haupt
- Mike Brendan
- Tommy Ivo
- Marty
- Tor Johnson
- Train Passenger
- Louise Lorimer
- Teacher
- Robert Locke Lorraine
- Train Passenger
- Hank Mann
- Train Passenger
- Peggy Moffitt
- Agnes
- Gloria Moore
- Schoolgirl
- Bob Morgan
- Texan
- Forbes Murray
- Train Passenger
- Paul Newlan
- Husky Man at Train Station
- Mary Newton
- Faculty Member
- Monty O'Grady
- Hotel Guest
- Emory Parnell
- Train Conductor
- Donna Percy
- Girl
- Isabel Randolph
- Teacher
- Edward Rickard
- Clerk
- Edward C. Short
- Porter
- Dick Simmons
- Professor
- Tommy Summers
- Bellboy
- David Swain
- Singer in chorus, 'I like to hike'
- Sid Troy
- Train Passenger
- Irene Walpole
- Schoolgirl
- Johnstone White
- Professor
