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
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)
