The Man Who Knew Too Much (1956)

The Man Who Knew Too Much
Thriller, Mystery
A couple vacationing in Morocco with their young son accidentally stumble upon an assassination plot. When the child is kidnapped to ensure their silence, they have to take matters into their own hands to save him.
Starring
James Stewart, Doris Day, Brenda De Banzie, Bernard Miles, Ralph Truman, Daniel Gélin, Mogens Wieth, Alan Mowbray, Hillary Brooke, Christopher Olsen
Directed By
Alfred Hitchcock