Mike Mazurki
as Blonde "Movie Siren"
Isobel Elsom
as Irma Paramutual
Howard McNear
as Dexter Sneak
Kathleen Freeman
as Mrs. Helen Paramutual/Mrs. T.P.
Jerry Lewis
as Morty S. Tashman
Dick Wesson
as The A.D.
Fritz Feld
as Roaring 20's Director
Stanley Adams
as Grumpy
Sig Ruman
as Baron Elston Carteblanche
Renee Taylor
as Miss Giles
Brian Donlevy
as Tom "T.P." Paramutual
Iris Adrian
as Anastasia Anastasia
Felicia Atkins
as Serina
Doodles Weaver
as Weaver
Kenneth MacDonald
as Mr. Fumble
Joey Forman
as Jedson