Directed by: David Miller
Starring: Chico Marx, Groucho Marx, Harpo Marx, Ilona Massey
Genres: Comedy, Crime, Musical
Continuity mistake: When Harpo is playing Russian Roulette, one of the villains claims that the gun has "four bullets" in it. One shot is fired at Harpo, and four by him, totaling five shots.
10 biggest mistakes of 2017
A new menu and more - thoughts welcome...
25 biggest mistakes in classic Disney movies
First pictures of Josh Brolin as Cable for Deadpool 2
The biggest mistakes in Spider-Man: Homecoming