Four stowaways get mixed up with gangsters while running riot on an ocean liner.
Groucho Marx
Groucho
Harpo Marx
Harpo
Chico Marx
Chico
Zeppo Marx
Zeppo
Rockliffe Fellowes
J.J. 'Big Joe' Helton
Harry Woods
Alky Briggs
Thelma Todd
Lucille Briggs
Ruth Hall
Mary Helton
