Suggestions by @scarecrow13

Frank Caliendo

as F in Best Actors For Every Letter

Anjelah Johnson-Reyes

as Cast member 4 in Madtv season 16

Aldis Hodge

as Police Officer in Sequel to Knives Out

Len Lesser

as Uncle Frank in Home Alone (1965)

Jerry Stiller

as Uncle Frank in Home Alone (1965)

Paul Fix

as Marley in Home Alone (1965)

Kurt Russell

as Buzz in Home Alone (1965)

Rance Howard

as Peter McCallister in Home Alone (1965)

Clint Howard

as Fuller in Home Alone (1965)

Larry Fine

as Marv in Home Alone (1965)

Moe Howard

as Harry in Home Alone (1965)

Ron Howard

as Kevin in Home Alone (1965)

William Frawley

as Principal Stickland in Back to the Future (1955)

Jerry Lewis

as George McFly in Back to the Future (1955)

Marlon Brando

as Biff Tannen in Back to the Future (1955)

Peter Cushing

as Doc Brown in Back to the Future (1955)

James Dean

as Marty McFly in Back to the Future (1955)

Stephen Baldwin

as Biff Tannen in Back to the Future (2015)

J.K. Simmons

as principal Strickland in Back to the Future (2015)

Jim Carrey

as Doc Brown in Back to the Future (2015)