It's a Mad, Mad, Mad, Mad World (1963) - Full cast & crew - IMDb

What starts as a civilized discussion on how to split the loot quickly descends into a chaotic, no-holds-barred race across the state. Unbeknownst to the greedy treasure hunters, the Santa Rosita police, led by Captain Culpeper ( Spencer Tracy ), are monitoring their every move, hoping they will lead the authorities straight to the stolen cash. The All-Star Ensemble Cast

The 1963 comedy epic remains one of the most ambitious films in cinema history. Directed by Stanley Kramer, who was previously known for "heavy dramas," this star-studded production was designed to be the "ultimate comedy" to draw audiences away from television and back to the big screen. Plot Summary: The Race for "The Big W"