Cary Grant plays Peter Joshua, a charming and mysterious man who assists Regina Lampert in unraveling the secrets surrounding her husband's death.
Audrey Hepburn portrays Regina Lampert, a woman entangled in a web of intrigue and deception following her husband's murder, as she teams up with Peter Joshua.
Walter Matthau takes on the role of Hamilton Bartholemew, a CIA administrator who becomes involved in the investigation surrounding Regina and the missing fortune.
James Coburn plays Tex Panthollow, a menacing character with dubious intentions who seems to be after the missing money and has a connection to Regina's past.
George Kennedy portrays Herman Scobie, a key player in the mystery surrounding the missing fortune and Regina's late husband.
Dominique Minot embodies the character Sylvie Gaudel, who is entangled in the intricate plot surrounding the stolen money and the suspicious characters seeking it.
Ned Glass brings to life the character Leopold Gideon, a man involved in the events unfolding around Regina Lampert and the search for the hidden fortune.
Jacques Marin plays Edouard Grandpierre, a character entangled in the mystery surrounding the missing money and the dangerous individuals pursuing it.
Paul Bonifas portrays Mr. Felix, a character with enigmatic motives who is part of the intrigue surrounding the missing fortune and its connection to Regina Lampert.
Thomas Chelimsky takes on the role of Jean-Louis Gaudel, a character entwined in the complex web of mystery surrounding the stolen money and its dangerous pursuers.
Marc Arian appears as Subway Passenger, an uncredited character who adds to the mysterious atmosphere of the film.
Claudine Berg plays the Maid, an uncredited character in the film who contributes to the ambiance surrounding the unfolding events.
Our free email delivers the daily top 10 TV shows and top 10 movies directly to your inbox. Stay ahead of the trends. Sign up below.