William Reibert Mapother Jr.[1] (/ ˈmeɪpɒθər /; born April 17, 1965) is an American actor, known for his role as Ethan Rom on the television series Lost and starring in the film In the Bedroom.

William Mapother was born on April 17, 1965 in Louisville, Kentucky, USA as William Reibert Mapother Jr. He graduated from the University of Notre Dame with a B.A. in English. He is the …

William Reibert Mapother Jr. (/ˈmeɪpɒθər/; born April 17, 1965) is an American actor, known for his role as Ethan Rom on the television series Lost and starring in the film In the Bedroom. He …

See William Mapother full list of movies and tv shows from their career. Find where to watch William Mapother's latest movies and tv shows

William Mapother portrayed Ethan Rom. Cousin of Tom Cruise and Lee Anne De Vette. Graduated from Notre Dame with a B.A. in English Was a school teacher in East Los Angeles …

1,633 Followers, 99 Following, 50 Posts - William Mapother (@williammapother) on Instagram: "Dad. Husband. Writer + actor."

William Mapother is an actor, best known for Another Earth, The Grudge, In the Bedroom, and Mission: Impossible II. Other film credits include I Origins, It’s Dark Here, Citizen Gangster, …

Biography of William Mapother William Mapother, an American actor, was born on April 17, 1965, in Louisville, Kentucky, USA. He is the son of Louise and William Reibert Mapother Sr. and is …

William Reibert Mapother Jr. is an American actor, known for his role as Ethan Rom on the television series Lost and starring in the film In the Bedroom. He i

Dec 30, 2025 · William Mapother's most popular movies and TV shows, ranked by Television Stats engagement score. See their top-performing roles based on current online popularity. …