The Man Who Knew Too Much (1956)

The McKennas (Jimmy Stewart, Doris Day) and their son are vacationing in Morocco. She gets the feeling that people are behaving oddly around them, but he shrugs it off -- the fact that she's a well-known singer could account for some staring. Later they are witness to a murder and, with his dying breath, the victim tells Mr. McKenna about an upcoming assassination in London. Their son Hank is abducted to ensure their silence and they head off to England in hopes of recovering him.

It's very dull and there's no chemistry at all between Stewart and Day. If you want a mistaken-identity spy thriller from Hitch, definitely go for North by Northwest and skip this one.

C