Thomas Sadoski is an American actor best known for his starring role as producer Don Keefer in the television drama series The Newsroom.
Sadoski was born in Bethany, Connecticut. In 1980 he moved with his family to College Station, Texas.
He has been in numerous plays Off-Broadway, and many regional theatres including the Williamstown Theatre Festival. He made his Broadway debut in 2004 playing Mary-Louise Parker's husband in the critically acclaimed production of Reckless.
Thomas has guest starred in a number of television series including Law & Order: As the World Turns, Law & Order: Criminal Intent, Ugly Betty and Law & Order: Special Victims Unit.
Sadoski made his feature film debut in 2000 in Amy Heckerling's romantic-comedy Loser. He has since been seen primarily in independent films.