Fyra käcka fripassagerare was released in the year 1931。Fyra käcka fripassagerare is also called as Monkey Business, Monkey business - quattro, Marx Brothers auf See, Imbroglio, Fyra generade genier, Fyra fräcka fripassagerare, Fulde af fup, Fratii Marx agenti secreti, A Culpa Foi do Macaco。

While stowing away on a ship to America, the boys get involuntarily pressed into service as toughs for a pair of feuding gangsters while trying desparately to evade the ship's crew. After arriving stateside, one of the gangsters kidnaps the other's daughter - and it's up to our unlikely heroes to save the day.

Fyra käcka fripassagerare actors and actresses include Chico Marx, Groucho Marx, Harpo Marx, Zeppo Marx。