Some that haven't been mentioned:

Marx Brothers: Horsefeathers
WC Fields: The Man on the Flying Trapeze
William Powell/Carole Lombard: My Man Godfrey
Gary Cooper/Barbara Stanwyck: Ball of Fire
Eddie Bracken/Betty Hutton: Miracle of Morgan's Creek
Cary Grant/Irene Dunne: My Favorite Wife
Jimmy Stewart: Harvey
Alec Guinness: The Man in the White Suit
Peter Sellers: A Shot in the Dark
Jack Lemmon/Tony Curtis: The Great Race
Woody Allen: Take the Money and Run
Mel Brooks, et al.: Young Frankenstein
Monty Python: Monty Python and the Holy Grail
Dan Ackroyd/John Belushi: The Blues Brothers
Albert Brooks: Lost in America
Christopher Guest, et al.: Best in Show

"All of these men were good listeners; patient men."