Harry Gribbon is Horace, a man with one passion in life: Mushrooms.
Harry Gribbon
Horace
Lionel Stander
Bertram
Shemp Howard
Thorndike
Loretta Sayers
Dottie Glutz
Cora Witherspoon
Dottie's Mother
Russell Hicks
President of Pure Food Association (uncredited)
Ralph Staub
Director
Dolph Singer
Story
Jack Henley