John Prosky is an actor, known for Hulk, A.I. Artificial Intelligence, Bowfinger, and The Nutty Professor. Other film credits include Straight Outta Compton, The Park Bench, Just Peck, The Dukes, Heart of the Beholder, Hidalgo, Gods and Generals, The Battle of Shaker Heights, Permanent Midnight, and Late for Dinner.

Television credits include Senator Gibson on ABC's Scandal, Mr. Banks on TNT's Major Crimes, David Finch on HBO's True Blood, Tom Van Dyke on NBC's Medium, Mr. Brooks on NBC's ER, and Bart Simon on CBS' Chicago Hope.

Theatre credits include Off-Broadway, as Colonel Edmund Starling in Camping with Henry and Tom (Lucille Lortel Theatre); and regionally, as Herman in Wedding Band: A Love/Hate Story in Black and White, Wilbur C. Henderson/Others in You Can't Take It With You, Hector Hulot in Cousin Bette, and George in Who’s Afraid of Virginia Woolf? (Antaeus Theatre) and Walter Franz in The Price (Theater J).