If It's Tuesday, This Must Be Belgium:

A group of travelers from the United States race through seven countries in 18 days. Included in the group are Samantha Perkins...

Starring:

Anita Ekberg, Aubrey Morris, Ben Gazzara, Catherine Spaak, Donovan, Elsa Martinelli, Ermelinda De Felice, Frank Latimore, Hilary Thompson, Ian McShane, Joan Collins, John Cassavetes, Luke Halpin, Marina Berti, Mario Carotenuto, Marty Ingels, Michael Constantine, Mildred Natwick, Murray Hamilton, Norman Fell, Pamela Britton, Patricia Routledge, Paul Esse

Genre:

Comedy, Romance, Adventure