If It's Tuesday, This Must Be Belgium

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

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