It’s a Mad, Mad, Mad, Mad World
Don Knotts played in the 1963 comedy It’s a Mad, Mad, Mad, Mad World, where he portrays a nervous motorist in a madcap pursuit of $350,000 (about $2,705,000 today) in stolen cash, with a group of strangers.
The cast included iconic actors of the time, with the strangers being played by Edie Adams, Milton Berle, Sid Caesar, Buddy Hackett, Ethel Merman, Mickey Rooney, Phil Silvers, Terry-Thomas, and Jonathan Winters.
The Incredible Mr. Limpet
Knotts has the title role in the 1964 film The Incredible Mr. Limpet, a film about Henry Limpet who becomes a talking fish who ends up helping the US Navy locate and destoy Nazi submarines.
The film featured the naval ship, the USS Alfred A. Cunningham and the ship which was referred to as the USS Los Angeles was actually the USS Galveston (CG-3).