《Mark Felt: The Man Who Brought Down the White House》Cast

Liam John Neeson OBE (born 7 June 1952) is an actor from Northern Ireland. In 1976, he joined the Lyric Players' Theatre in Belfast for two years. He then acted in the Arthurian film, Excalibur (1981). Between 1982 and 1987, Neeson starred in five films, most notably alongside Mel Gibson and Anthony Hopkins in The Bounty (1984), and Robert De Niro and Jeremy Irons in The Mission (1986). He landed a leading role alongside Patrick Swayze in Next of Kin (1989).

Diane Colleen Lane is an American actress. Born and raised in New York City, Lane made her screen debut in George Roy Hill's 1979 film A Little Romance.

Maika Monroe Buckley, better known as Maika Monroe, is an American actress and professional kiteboarder. She made her acting debut in At Any Price and appeared in the drama film Labor Day.

Stuart Bruce Greenwood (born August 12, 1956) is a Canadian actor and producer. He is generally known for his roles as American presidents in Thirteen Days, National Treasure: Book of Secrets and Kingsman: The Golden Circle, Ben Stevenson in Mao's Last Dancer, and for his role as Captain Christopher Pike in J. J. Abrams's Star Trek reboot series. In television, Greenwood starred as Gil Garcetti in The People v. O. J. Simpson: American Crime Story, as Thomas Veil in Nowhere Man and has appeared in Mad Men, St. Elsewhere, Knots Landing and John from Cincinnati.