Fast Facts

  • Completed the Sight & Sound special program at Tisch School of the Arts at New York University.
  • Worked as a substitute teacher in the Los Angeles area.
  • Began his showbiz career working as a production assistant on the sets of Cocktail and Rain Man, both starring his cousin, Tom Cruise.
  • Studied at the Baron/Brown Studio in Santa Monica.
  • Was elected to a three-year term on the National Board of Directors for the Screen Actors Guild in 2007.
  • Appeared in more episodes of Lost after his character, Ethan Rom, died then he did when the character was still alive.
  • Founded Louisville's Flyover Film Festival.


  • 2001, Screen Actors Guild Awards — Outstanding Performance by a Cast in a Motion Picture: Nominee


  • Amy Mapother — Sister
  • Tom Cruise — Cousin
  • William Mapother — Father
  • Louisa Mapother — Mother
  • Katherine Mapother — Sister


  • University of Notre Dame, Notre Dame, Indiana, United States (BA in English Literature, 1987)

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  • Birth Name: William Reibert Mapother
  • Birth Place: Louisville, Kentucky, United States
  • Profession: Actor

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