If It's Tuesday, This Must Be Belgium

Anita Ekberg as Performer Luke Halpin as Bo Vittorio De Sica as Shoemaker Suzy Falk as German Sergeant's Wife Robert Vaughn as Antonio, Photographer Aubrey Morris as Harry Dix Yutte Stensgaard as Museum Guide Mario Carotenuto as Giuseppe Pamela Britton as Feda Reva Rose as Irma Blakely John Cassavetes as Steve Carol Cleveland as Travel Agent Suzanne Pleshette as Sam Perkins Paul Esser as German Sergeant Mildred Natwick as Jenny Grant Joan Collins as Girl on Sidewalk Ermelinda De Felice as Italian Woman in Automobile Accident Virna Lisi as John's Beautiful Cousin in Rome Sandy Baron as John Marino Catherine Spaak as Woman Posing for Photographer Ben Gazzara as Card Player Jennifer White as Dot Murray Hamilton as Fred Ferguson Michael Constantine as Jack Harmon Marty Ingels as Bert Greenfield Peggy Cass as Edna Ferguson Frank Latimore as George Senta Berger as London Saleswoman Elsa Martinelli as Maria, Woman on Venetian Bridge Ian McShane as Charlie Cartwright Norman Fell as Harve Blakely Patricia Routledge as Mrs. Featherstone Hilarie Thompson as Shelly Ferguson Donovan as Singer in Youth Hostel Marina Berti as Gina

David L. Wolper Executive Producer Walter Scharf Original Music Composer Mel Stuart Director Lynn Stalmaster Casting