Groucho Marx
Dr. Hugo Z. Hackenbush
Doctor Hugo Hackenbush, Tony, and Stuffy try and save Judy's sanitarium by winning a big race with her boyfriend's horse. There are a few problems. Hackenbush runs a high-priced clinic for the wealthy who don't know that the degree that he holds is in veterinary medicine.
Dr. Hugo Z. Hackenbush
Tony
Stuffy
Gil Stewart
Judy Standish
Emily Upjohn
Dr. Leopold X. Steinberg
Whitmore
Morgan
'Flo' Marlowe
Sheriff
Specialty Dancer
Specialty Singer
Man Boarding Bus (uncredited)
Racetrack Spectator (uncredited)
Racetrack Spectator (uncredited)
Racetrack Guard (uncredited)
Party Guest (uncredited)
Black Singer (uncredited)
Singer (uncredited)
Director
