Patrick Kilpatrick is an American character actor with over 85 film and TV appearances to his credit. He made his film debut relatively late in 1985 with The Toxic Avenger.
He is best known for his appearances as villains, often alongside Hollywood's leading action stars such as Bruce Willis in Last Man Standing and Steven Seagal in Under Siege 2 (1995) where he played a mercenary on a train with Everett McGill. He has appeared alongside Chow Yun Fat in Replacement Killers (1998), Arnold Schwarzenegger and James Caan in Eraser (1996), and The Presidio (1988) opposite Sean Connery and Mark Harmon. He also starred in Free Willy 3.
Although he has become well known for his appearances in action films, Kilpatrick has acted in a wide range of genres including westerns, and a theatrical run in the Los Angeles Theater for the Shakespearean Anthony and Cleopatra. He has appeared in many top television series including Lois & Clark: The New Adventures of Superman (1994), Walker, Texas Ranger (1994), Babylon 5 (1995), Dr. Quinn, Medicine Woman as Sergeant O'Connor for 9 episodes from 1996-1997 , ER (1997), The X-Files (2001), General Hospital (2003), CSI:Crime Scene Investigation (2005), 24 (2005), and Terminator: The Sarah Connor Chronicles (2008)
Outside acting, Kilpatrick has a keen interest in environmental politics and humanitarian work.