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Ian McShane as Charlie Cartwright |
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Suzanne Pleshette as Sam Perkins |
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Vittorio De Sica as Shoemaker |
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Murray Hamilton as Fred Ferguson |
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Sandy Baron as John Marino |
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Mario Carotenuto as Giuseppe |
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Paul Esser as German Sergeant |
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Suzy Falk as German Sergeant's Wife |
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Michael Constantine as Jack Harmon |
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Pamela Britton as Feda |
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Norman Fell as Harve Blakely |
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Reva Rose as Irma Blakely |
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Hilarie Thompson as Shelly Ferguson |
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Luke Halpin as Bo |
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Donovan as Singer in Youth Hostel |
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Marty Ingels as Bert Greenfield |
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Catherine Spaak as Woman Posing for Photographer |
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Mildred Natwick as Jenny Grant |
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Peggy Cass as Edna Ferguson |
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Senta Berger as London Saleswoman |
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Joan Collins as Girl on Sidewalk |
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Marina Berti as Gina |
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Robert Vaughn as Antonio, Photographer |
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John Cassavetes as Steve |
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Ben Gazzara as Card Player |
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Patricia Routledge as Mrs. Featherstone |
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Ermelinda De Felice as Italian Woman in Automobile Accident |
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Anita Ekberg as Performer |
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Elsa Martinelli as Maria, Woman on Venetian Bridge |
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Virna Lisi as John's Beautiful Cousin in Rome |
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Aubrey Morris as Harry Dix |
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Jennifer White as Dot |
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Carol Cleveland as Travel Agent |
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Sonya Doumen as Miss Belgium |
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Roger Six as Marcel |
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Frank Latimore as George |
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Yutte Stensgaard as Museum Guide |
| Production | Mario Olivieri | Location Manager |
| Sound | Robert Glenn | Sound Editor |
| Production | Mary Selway | Additional Casting |
| Sound | Derek Ball | Sound |
| Production | David L. Wolper | Executive Producer |
| Sound | Van Allen James | Sound Editor |
| Sound | Jeff Bushelman | Sound Editor |
| Crew | Frawley Becker | Dialogue Coach |
| Editing | Robert K. Lambert | Assistant Editor |
| Directing | Doreen Dearnaley | Continuity |
| Production | Stan Margulies | Producer |
| Editing | David Saxon | Editor |
| Camera | Vilis Lapenieks | Director of Photography |
| Directing | Mel Stuart | Director |
| Production | Lynn Stalmaster | Casting |
| Sound | Walter Scharf | Original Music Composer |
| Art | Marc Frédérix | Art Direction |
| Costume & Make-Up | Ron Berkeley | Makeup Artist |
| Costume & Make-Up | Vittorio Biseo | Makeup Artist |
| Costume & Make-Up | Howard Shoup | Costume Design |
| Writing | David Shaw | Writer |
