in league with them, after which Peter says he is Carson Dyle's brother, Alexander, and is trying to bring the others to justice, believing they killed Carson. As the hunt for the money continues, Herman and Leopold are murdered. Hamilton tells Reggie that Carson Dyle had no brother. When she confronts Alexander, he says he is actually Adam Canfield, a professional thief. Although frustrated by his dishonesty, Reggie still trusts him. Reggie and Adam go to an outdoor market where Charles's last known appointment was. Spotting Tex, Adam follows him. At the stamp-selling booths, Adam and Tex each realize that Charles bought some extremely valuable stamps and affixed them to the envelope found in his travel bag. Both men race back to Reggie's hotel room, only to discover the stamps missing from the envelope. Reggie, who gave the stamps to Sylvie's young son, Jean-Louis, suddenly realizes their significance. She and Sylvie find Jean-Louis, but he has already traded the stamps to a dealer. They find the dealer, who says the rare stamps are worth $250,000 and returns them to Reggie. Reggie returns to the hotel and finds Tex's body with the name "Dyle" scrawled next to it. Convinced Adam is the murderer, a frightened Reggie telephones Hamilton, who says to meet him at the Colonnade at the Palais-Royal. Adam sees her and gives chase. At the Colonnade, Reggie is caught out in the open between the two men. Adam claims Hamilton is really Carson Dyle: surviving the German ambush, he became obsessed with revenge and reclaiming the treasure. Reggie runs into an empty theater and hides in the prompt box. Carson is about to shoot her, but Adam activates a trapdoor under him. The next day, Reggie and Adam go to the embassy to turn over the stamps, but Adam declines to go in. Inside, Reggie discovers that Adam is really Brian Cruikshank, a U.S. Treasury agent responsible for recovering stolen government property. With his true identity now revealed, he proposes marriage to Reggie. The film ends with a split-screen grid showing flashback shots of Cruikshank's four identities; Reggie says she hopes they have lots of boys, so they can name them all after him. Cast Cary Grant as Brian Cruikshank (alias Peter Joshua, Alexander Dyle, and Adam Canfield) Audrey Hepburn as Regina "Reggie" Lampert Walter Matthau as Carson Dyle (alias Hamilton Bartholomew) James Coburn as Tex Panthollow George Kennedy