One Body Too Many is a 1944 American comedy-mystery film directed by Frank McDonald, starring Bela Lugosi, Jack Haley and Lyle Talbot.

An insurance salesman arrives by coincidence, and he is mistaken for the private detective supposed to guard the corpse.

Tuttle is mistaken for a private detective sent to guard the body, and once the confusion is cleared up and the real detective fails to show, he is persuaded by Rutherford's niece Carol Dunlap to remain and ensure that the body is not stolen.

Pine-Thomas Productions originally specialized in action films but decided to move into comedy and signed Jack Haley to star in movies for the company.

[1] Pine and Thomas originally wanted Boris Karloff for the key horror role.