| Jane Russell | Dorothy Shaw |
| Marilyn Monroe | Lorelei Lee |
| Charles Coburn | Sir Francis ``Piggy'' Beekman |
| Elliot Reid | Ernie Malone |
| Tommy Noonan | Gus Esmond |
| George Winslow | Henry Spofford III |
| Marcel Dalio | Magistrate |
| Taylor Holmes | Mr. Esmond Sr. |
| Norma Varden | Lady Beekman |
| Howard Wendell | Watson |
| Steven Geray | Hotel Manager |
| Henri Letondal | Grotier, the Prosecutor |
| Alex Frazer | Pritchard |
| Harry Carey Jr. | Sims |
| George Davis | Cab Driver Pierre |
| Alphonse Martell | Headwaiter at Chez Louis |
| Robert Nichols | Evans |
| Charles Tannen | Malone's Contact Man at Wharf |
| Robert Foulk | Passport Official |
| Harry Seymour | Louie, Captain of Waiters (uncredited) |
Two showgirls on the lookout for rich eligible bachelors run into numerous complications during a trip to Paris.
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