Alfred Hitchcock made no cameo appearance in this movie.
Maureen O'Hara was "Introduced" in the opening titles.
One of the films included in "The Fifty Worst Films of All Time (and how they got that way)" by Harry Medved and Randy Lowell.
This was the first of three Daphne Du Maurier tales that Alfred Hitchcock made into movies. The other two were Rebecca and The Birds.
This was the last movie that Alfred Hitchcock made in England before going to Hollywood under contract to David O. Selznick.
Was reportedly one of Alfred Hitchcock's most unhappy directing jobs. He felt caught between Charles Laughton and Laughton's business partners. Later, he said that he did not so much direct the film as referee it.