If It's Tuesday, This Must Be Belgium

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

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