William Abadie is an actor.

William Abadie is an actor and producer, born in Saint-Raphaël on the French Riviera in France.

He spent his childhood and youth in Megève in the French Alps. After many trips abroad, he settled in Paris, where he studied at the Claude Mathieu School. In 1998 he left Paris and moved to New York. He became a student at the Lee Strasberg Theatre Institute, where he received an award for outstanding achievement. It was during this time that he became a permanent member of the Actors Studio. In 2000 he created his first play in New York, titled "Italian-American Reconciliation," which he produced and in which he acted. A few months later, still as producer and actor, he staged Dennis McIntyre's play "Modigliani" off-Broadway. His first film appearance dates to 2002, in Adrian Lyne's film "Unfaithful," a remake of Claude Chabrol's film "The Unfaithful Wife." He recently appeared in the third season of "Homeland" for Showtime in Charlotte, North Carolina.