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 | Norman Lear | Executive Producer |
| Production | Edward Stephenson | Associate Producer |
| Art | Gabriel Béchir | Set Decoration |
| Editing | Ferris Webster | Editor |
| Production | Roger Debelmas | Unit Manager |
| Costume & Make-Up | Alan Barrett | Costume Design |
| Sound | John Addison | Original Music Composer |
| Directing | Georges Grodzenczyk | Assistant Director |
| Production | Bud Yorkin | Producer |
| Camera | Jean Tournier | Director of Photography |
| Sound | Julien Coutelier | Sound |
| Art | François de Lamothe | Art Direction |
