- Dean Martin
- Bill Miller
- Jerry Lewis
- Theodore 'Ted' Rogers
- Polly Bergen
- Mary Turner Miller
- Marion Marshall
- Genevieve 'Frecklehead' Tait
- Eddie Mayehoff
- Leo Lyman
- Richard Erdman
- Ben Bailey
- Frances Bavier
- Mrs. Rogers
- Oliver Blake
- Theater Manager
- Danny Borzage
- Diner Patron
- Morgan Brown
- Wedding Guest / Audience Member (uncredited)
- Steve Carruthers
- Audience Member
- Danny Davenport
- Sam Heinz
- Charles Evans
- Mr. Sutherland
- Franklyn Farnum
- Party Guest / Audience Member (uncredited)
- Tommy Farrell
- Tommy - Kit Kat Club MC
- George Ford
- Party Guest
- Rudy Germane
- Party Guest
- Joe Gilbert
- Wedding Guest
- Herschel Graham
- Wedding Guest
- Don Haggerty
- Mr. Winston
- Robert Haines
- Club Patron
- Jerry Hausner
- Al Borden
- Percy Helton
- Sam Robertson
- Harry Hines
- Undetermined Secondary Role
- Shep Houghton
- Club Patron
- Nolan Leary
- Pops
- Norman Leavitt
- Cabbie
- Freeman Lusk
- Frank Darling
- Donald MacBride
- Diner Proprietor
- Hank Mann
- Stagehand
- Harold Miller
- Audience Member
- Frank O'Connor
- Sidewalk Passerby
- Monty O'Grady
- Wedding Guest
- Eddie Parks
- Mr. Dusick
- Edwin Rochelle
- Audience Member
- Michael Ross
- Big Audience Member
- Jeffrey Sayre
- Theatre Patron
- Charles Smith
- Soda Jerk
- Cap Somers
- Diner Patron
- Al Thompson
- Audience Member
- Mary Treen
- Ms. Regan
