Charlie Sheen and Martin Sheen are father and SON. Charlie Sheen is an actor, producer, and director who is best known for his roles in films such as Platoon, Wall Street, and Two and a Half Men. Martin Sheen is an actor, director, and activist who is best known for his roles in films such as Apocalypse Now, The Departed, and The West Wing. The crossword solution for the term 'Charlie Sheen, to Martin' is SON, which accurately describes their relationship.