Michael Gaston (born November 5, 1962) is an American film and television actor. He played Agent Quinn on the series Prison Break, Gray Anderson on the CBS drama series Jericho, and also appeared in the first season of The Sopranos as a compulsive gambler who has problems with Tony.

He portrayed General Tommy Franks in Oliver Stone's film W. Michael Gaston has appeared in more than twenty films, including Ransom, Cop Land, Thirteen Days, The Crucible, Double Jeopardy, and High Crimes, Sugar, as well as Body of Lies, where he played fellow police officer Jimmy Smiths in the film Bless the Child. The actor has also performed roles in numerous television dramas, including The Sopranos, The West Wing, Homicide: Life on the Street, Law & Order, Fringe, The Practice on ABC, and 24.

He has also appeared in comedies, including Ally McBeal and Malcolm in the Middle. Gaston has played various roles on Broadway and off-Broadway, including The Death of Joe Egg on Broadway, as well as Henry V and Landscape of the Body. Gaston is married and has two children.