1960s comedy movies were amazing--truly amazing. These were done by comedians and comedy actors like Carl Reiner, Jonathan Winters, Doris Day, Bob Hope, Jerry Lewis, and more. It doesn't get better than these -
"The Russians Are Coming the Russians Are Coming" 1966
"It's a Mad, Mad, Mad, Mad World" 1963
"The Absent-Minded Professor" 1961
"The Odd Couple"