Two sets of identical twins are accidentally switched at birth. One pair, Phillipe and Pierre DeSisi, are aristocratic and haughty, while the other, Charles and Claude Coupé, are poor and dim-witted. On the eve of the French Revolution, both sets find themselves entangled in palace intrigue.
| Directing | Bud Yorkin | Director |
| Writing | Fred Freeman | Writer |
| Writing | Lawrence J. Cohen | Writer |
| Production | Edward Stephenson | Associate Producer |
| Sound | Julien Coutelier | Sound |
| Production | Bud Yorkin | Producer |
| Production | Roger Debelmas | Unit Manager |
| Art | Gabriel Béchir | Set Decoration |
| Production | Norman Lear | Executive Producer |
| Directing | Georges Grodzenczyk | Assistant Director |
| Sound | John Addison | Original Music Composer |
| Camera | Jean Tournier | Director of Photography |
| Art | François de Lamothe | Art Direction |
| Costume & Make-Up | Alan Barrett | Costume Design |
| Editing | Ferris Webster | Editor |
