About William Mapother
April 17, 1965
|Place of Birth||:||Louisville, Kentucky, USA|
|Also Known As||:||William Reibert Mapother Jr., William R. Mapother|
|Imdb Profile||:||IMDB Profile|
From Wikipedia, the free encyclopedia. William Reibert Mapother, Jr. (born April 17, 1965) is an American actor and former teacher, known for his role as Ethan Rom on the television series Lost.