In this Mel Stuart (Willy Wonka & the Chocolate Factory) directed sex farce, Ian McShane (TV s Deadwood) stars as roguish Charlie Cartwright, a tour guide with a girl in every port, and Suzanne Pleshette (The Birds) is... more » straight-laced American tourist Samantha Perkins, the would-be object of Charlie s affection. Joining in on the fun-filled 18-day London to Rome excursion are Murray Hamilton (Jaws), Mildred Natwick (Barefoot in the Park), Peggy Cass (Auntie Mame), Norman Fell (TV s Three s Company) and Vittorio De Sica (The Shoes of the Fisherman). Based on the story and screenplay by David Shaw, If It s Tuesday, This Must Be Belgium features cameo performances by John Cassavetes (Rosemary s Baby), Ben Gazzara (Anatomy of a Murder), Joan Collins (TV s Dynasty), Anita Ekberg (La Dolce Vita), Senta Berger (Major Dundee) and Robert Vaughn (TV s The Man from U.N.C.L.E.).« less