If It's Tuesday, This Must Be Belgium

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

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