It's a Mad, Mad, Mad, Mad World is a 1963 American comedy movie. It is about when a thief hid a large amount of money and causes a madcap cross-country rush to find the money. It stars Spencer Tracy, Mickey Rooney, Peter Falk, Carl Reiner, Milton Berle, Jimmy Durante, Phil Silvers, Sid Caesar, Ethel Merman and Jonathan Winters. It won one Academy Award for Best Effects.
Other websites
It's a Mad, Mad, Mad, Mad World (1963) The Movie Database
Something a Little Less Serious: A Tribute to 'It's a Mad Mad Mad Mad World' A 1991 documentary about the film. The Movie Databse