Lewis J. Stadlen

as Efram

as Ralph Masius

as Dr. Maurice Samuels

as Lewis J. Stadlen / Max Bialystock

as Banjo

as Dr. Ira Fried

as Dr. Freid

as Dr. Ira Freid

as Bandleader

as Ed Kenrow

as Lekish / Zeinvel / The Peddler (voice)

as Moderator

as Eli Schwab

as Jay Blake

as Norman Wagstaff (uncredited)

as Mr. Cooper

as Danny

as Marty

as Lupinsky

as Dr. Gruber

as Allan's Father

as John Taylor

as Stanley

as Sam Liebowitz

as Efram

as Berman

as Potofski

as Julian Branch, a Song Writer (as Lewis Stadlen)

as Mandel (as Lewis Stadlen)

as Stage Manager