Gabriel James Byrne (born 12 May 1950) is an Irish actor, film director, film producer, screenwriter, cultural ambassador and audiobook narrator. His acting career began in the Focus Theatre before he joined London’s Royal Court Theatre in 1979. Byrne's screen début came in the Irish soap opera The Riordans and the spin-off show Bracken. The actor has now starred in over 35 feature films, such as The Usual Suspects, Miller's Crossing and Stigmata, in addition to writing two. Byrne's producing credits include the Academy Award-nominated In the Name of the Father. Currently, he is receiving much critical acclaim for his role as Dr. Paul Weston in the HBO drama In Treatment.

Gabriel Byrne plays as Paul Weston in War of the Worlds.
Gabriel Byrne is the top #1 member of the cast and appears in 106 episodes.

Bayo Gbadamosi plays as Arkady in War of the Worlds.
Bayo Gbadamosi is the top #2 member of the cast and appears in 20 episodes.

From Wikipedia, the free encyclopedia. Natasha Little (born 2 October 1969) is a British actress. She is best known for her work on British television, but has also featured in many film and theatre roles. Description above from the Wikipedia article Natasha Little, licensed under CC-BY-SA, full list of contributors on Wikipedia.​

Natasha Little plays as Sarah Gresham in War of the Worlds.
Natasha Little is the top #3 member of the cast and appears in 8 episodes.

Léa Drucker (born 23 January 1972) is a French actress.

Léa Drucker plays as Catherine Durand in War of the Worlds.
Léa Drucker is the top #4 member of the cast and appears in 8 episodes.

Adel Bencherif is a French actor of Tunisian origin. He is most famous for his role in the 2009 film A Prophet. Description above from the Wikipedia article Adel Bencherif, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Adel Bencherif plays as Colonel Mustafa Mokrani in War of the Worlds.
Adel Bencherif is the top #5 member of the cast and appears in 8 episodes.

Elizabeth McGovern (born July 18, 1961) is an American film, television, and theater actor. In 1980, while studying at Juilliard, McGovern was offered a part in her first film, Ordinary People, in which she played the girlfriend of troubled teenager Timothy Hutton. The following year she completed her education as an actress at the American Conservatory Theatre and at The Juilliard School, and began to appear in plays, first Off-Broadway and later in famous theaters. In 1981, she earned an Academy Award nomination for Best Supporting Actress for her role as Evelyn Nesbit in the film Ragtime. In 1984, she starred in Sergio Leone's gangster epic Once Upon a Time in America as Robert De Niro's romantic interest, Deborah Gelly. In 1989, she played Mickey Rourke's girlfriend in Johnny Handsome, directed by Walter Hill, and the same year she appeared as a rebellious lesbian in Volker Schlöndorff's thriller The Handmaid's Tale.

Elizabeth McGovern plays as Helen Brown in War of the Worlds.
Elizabeth McGovern is the top #6 member of the cast and appears in 8 episodes.

Daisy Jessica Edgar-Jones (born 24 May 1998) is a British actress. She trained with the National Youth Theatre before landing her first professional job at the age of seventeen playing the regular role of Olivia in the returning British series Cold Feet starring alongside James Nesbitt and Hermione Norris for ITV. Daisy has since gone on to build a varied screen career as well as working on stage in London.

Daisy Edgar-Jones plays as Emily Gresham in War of the Worlds.
Daisy Edgar-Jones is the top #7 member of the cast and appears in 8 episodes.

Ty Tennant plays as Tom Gresham in War of the Worlds.
Ty Tennant is the top #8 member of the cast and appears in 8 episodes.

Stéphane Caillard plays as Chloe Dumont in War of the Worlds.
Stéphane Caillard is the top #9 member of the cast and appears in 8 episodes.

Guillaume Gouix plays as Noah in War of the Worlds.
Guillaume Gouix is the top #10 member of the cast and appears in 8 episodes.