Four stowaways get mixed up with gangsters while running riot on an ocean liner.
Groucho Marx
as Groucho
Harpo Marx
as Harpo
Chico Marx
as Chico
Zeppo Marx
as Zeppo
Rockliffe Fellowes
as J.J. 'Big Joe' Helton
Harry Woods
as Alky Briggs
Thelma Todd
as Lucille Briggs
Ruth Hall
as Mary Helton
Tom Kennedy
as Gibson
Ben Taggart
as Capt. Corcoran (uncredited)
Billy Bletcher
as Man in Deck Chair
Maurice Chevalier
as Himself (voice)
