Animal Crackers

Groucho Marx

Captain Jeffrey T. Spaulding

Harpo Marx

The Professor

Chico Marx

Signor Emanuel Ravelli

Zeppo Marx

Horatio Jamison

Lillian Roth

Arabella Rittenhouse

Margaret Dumont

Mrs. Rittenhouse

Louis Sorin

Roscoe Chandler

Hal Thompson

John Parker

Margaret Irving

Mrs. Whitehead

Kathryn Reece

Grace Carpenter

Robert Greig

Hives

Edward Metcalf

Hennessey

Robert Allen

House Party Guest (uncredited)

Donald MacBride

House Party Guest (uncredited)

Ann Roth

House Party Guest (uncredited)

Fredi Washington

Party Guest