Jimmy Stewart

John Lennon

Elvis Presley

Sheryl Crow

Ginger Rogers

Barry Manilow

Billy Joel

 Wierd Al Yankovic

Myron Floren and Lawrence Welk

Steve Urkel

 Phoebe Legere

Julieta Venagas

Fred Astaire in Flying Down to Rio (1933)

Clint Eastwood in Escape from Alcatraz

Mary Steenburgen in The Grass Harp

 Connie Francis (Age 12)

Connie Francis after she stopped playing the accordion

Idi Amin

Desi Arnaz serenading Lucy in Forever Darling (1956)

 Stan Laurel on the concertina in The Big Noise (1944)

Dan Akroyd plays a Scandelli in Christmas with the Kranks 

To be continued