| Cast list | | Harpo Marx | as | Harpo | | Chico Marx | as | Faustino the Great | | Ilona Massey | as | Madame Egelichi | | Vera-Ellen | as | Maggie Phillips, Dancer | | Marion Hutton | as | Bunny Dolan, Maggie's Best Friend | | Raymond Burr | as | Alphonse Zoto | | Melville Cooper | as | Lefty Throckmorton | | Paul Valentine | as | Mike Johnson, Dancer | | Leon Belasco | as | Mr. Lyons | | Eric Blore | as | Mackinaw | | Bruce Gordon | as | Hannibal Zoto | | Marilyn Monroe | as | Grunion's Client | | Groucho Marx | as | Detective Sam Grunion, narrator of the story |
| | Crew list: | | David Miller (Director) | | Harpo Marx (Writer) | | Frank Tashlin (Writer) |
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