Jerry Lewis
Morty S. Tashman
Brian Donlevy
Tom 'T.P.' Paramutual
Howard McNear
Dexter Sneak
Kathleen Freeman
Mrs. Helen Paramutual
Robert Ivers
Young NY Director Who Argues with T.P.
Rita Hayes
Singer Who Dubs Davitt
Isobel Elsom
Irma Paramutual
Sig Ruman
Baron Elston Carteblanche
Fritz Feld
Busby - Roaring 20's Director
Kenneth MacDonald
Mr. Fumble
Iris Adrian
Anastasia Anastasia, Actress
David Landfield
Lance (as Dave Landfield)
Del Moore
M.C. at Premiere
Richard Bakalyan
Jason, Anastasia's Director
Joe Besser
Man Watching Rushes
Theodora Davitt
Southern Belle in Film
Milton Frome
Mr. Greenback
Hank Ladd
Paramutual Family Member
Mike Mahoney
Carl - Prop Man's Assistant
Sally Mansfield
Miss Herok - Script Stenographer
Mike Mazurki
Blonde 'Movie Siren'
Bill Richmond
Bespectacled Man in Elevator
Caroline Richter
Bubblegum Blower in Elevator
Michael Ross
Big Man in Elevator (as Mike Ross)
Benny Rubin
Mr. Wabenlotnee
Regis Toomey
Studio Exec with the Baron
Mary Treen
Commissary Cashier
Herb Vigran
Cigar Smoker in Elevator
Jerry Wayne
Confederate Soldier in Movie
William Wellman Jr.
Actor / Lover in Film
Quinn O'Hara
Model (uncredited)