It's a Mad, Mad, Mad, Mad World(1963)
A group of strangers come across a man dying after a car crash who proceeds to tell them about the $350,000 he buried in California. What follows is the madcap adventures of those strangers as each attempts to claim the prize for himself.
Directed by Stanley Kramer - With Spencer Tracy, Milton Berle, Sid Caesar, Buddy Hackett, Dorothy Provine, Ethel Merman, ...