
Michael Chaplin (born 7 March 1946) is an English-American actor born in Santa Monica, California. He is the second child and eldest son from Charlie Chaplin's fourth and final marriage to Oona O'Neill.
He acted in his father's films Limelight (1952) and A King in New York (1957), In the latter he played 10-year-old Rupert Macabee, a fast-talking advocate of civil rights and a child of communists who, after an initially adversarial period of political dialogue, is befriended by the King and gains his assistance. He was also in "Promise Her Anything", with Warren Beatty and Leslie Caron, 1965, and "The Sandwich Man", 1966.
He was married firstly to the writer Patrice Chaplin and secondly to Patricia Betaudier, who is a painter. He is the father of actresses Carmen Chaplin and Dolores Chaplin.
In the mid-1960s, Michael wrote his autobiography I Couldn't Smoke The Grass On My Father's Lawn.
He was also half-brother to Sydney Chaplin, Charles Chaplin, Jr. and Norman Chaplin.

Limelight
1952 · as Child on Steps (uncredited)

A King in New York
1957 · as Rupert Macabee

The Sandwich Man
1966 · as Pavement Artist

Charlie: The Life and Art of Charles Chaplin
2003 · as Self

Chaplin: Spirit of the Tramp
2025 · as Self

The Real Charlie Chaplin
2021 · as Self (archive footage)

Promise Her Anything
1966 · as Heathcliff – Beatnik (uncredited)

Chaplin - The Legend of the Century
2014 · as Self

Charlie Chaplin: The Forgotten Years
2003 · as Self

Strolling Into the Sunset
2008 · as Self

Chaplin Today: A King in New York
2003 · as Self