Groucho Marx
Captain Jeffrey T. Spaulding
Acting
Harpo Marx
The Professor
Acting
Chico Marx
Signor Emanuel Ravelli
Acting
Zeppo Marx
Horatio Jamison
Acting
Lillian Roth
Arabella Rittenhouse
Acting
Margaret Dumont
Mrs. Rittenhouse
Acting
Louis Sorin
Roscoe Chandler
Acting
Hal Thompson
John Parker
Acting
Margaret Irving
Mrs. Whitehead
Acting
Kathryn Reece
Grace Carpenter
Acting
Robert Greig
Hives
Acting
Edward Metcalf
Hennessey
Acting
Robert Allen
House Party Guest (uncredited)
Acting
Donald MacBride
House Party Guest (uncredited)
Acting
Ann Roth
House Party Guest (uncredited)
Acting
Fredi Washington
Party Guest
Acting