Groucho Marx
Professor Wagstaff
Harpo Marx
Pinky
Chico Marx
Baravelli
Zeppo Marx
Frank Wagstaff
Thelma Todd
Connie Bailey
David Landau
Jennings
Bobby Barber
Speakeasy Patron (uncredited)
Reginald Barlow
Retiring Collage President (uncredited)
Vince Barnett
Speakeasy Patron (uncredited)
Sheila Bromley
Wagstaff's Receptionist (uncredited)
E.H. Calvert
Professor in Wagstaff's Study (uncredited)
Edgar Dearing
Speakeasy Bartender (uncredited)
Robert Greig
Biology Professor (uncredited)
Theresa Harris
Laura (uncredited)
Edward LeSaint
Professor in Wagstaff's Study (uncredited)
Florine McKinney
Peggy Carrington (uncredited)
Nat Pendleton
MacHardie (uncredited)
James Pierce
Ed Mullen (uncredited)
Frank Rice
Doorman at Speakeasy (uncredited)
Syd Saylor
Speakeasy Patron at Slot Machine (uncredited)
Arthur Sheekman
Typing Sportswriter (uncredited)
Ben Taggart
Police Officer (uncredited)
Phil Tead
Football Broadcaster (uncredited)