It's a Mad, Mad, Mad, Mad World (1963)

"The comedy event of the century, In glorious 70mm!"
TMDb Score
71

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.

Starring
Spencer Tracyas C. G. Culpepper
Milton Berleas J. Russell Finch
Sid Caesaras Melville Crump