Jack Gilpin (born May 31, 1951) is an American actor. Gilpin ha a recurring role on the TV series Kate & Allie. Gilpin is a frequent Law & Order guest star, having appeared in all three series -- Law & Order, Law & Order: Special Victims Unit, and Law & Order: Criminal Intent. Gilpin appeared in the films Reversal of Fortune, Quiz Show, and The Notorious Bettie Page. Gilpin is also an accomplished stage actor.