John Knox
- Oyunculuk
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Filmografi
- Mississippi Requiem · Elly's Father
- Davud ve Câlût: İnanç Savaşı · Samuel
- Love and Death in Los Angeles · Commissioner
- Revenge · Fisherman
- Lie to Me · Attorney
- Kalbini Dinle · Club Manager
- Şeytan Duymadan Önce · Desk Sergeant
- Chuck · Swat Leader
- Mad Men · Jack Schmidt
- Kirli Sırlar · Technical Service Officer
- Darkest Hour · Yazar
- Criminal Minds · Chief Wilson
- Tracks · Detective Otis
- Çevirmen · Fred Jameson
- Ölümcül Tutku · ER Guard
- Monk · Second Judge
- Law & Order: Criminal Intent · Paddy Carroll
- Yaşamak İçin · Iron Man
- Third Watch · ESU Sergeant
- Law & Order: Special Victims Unit · Henry, Eddie Tobias
- A Fish in the Bathtub · Peter Laughlin
- Raising the Heights · Alex Saxton
- Psycho Sisters · Dr. Lawrence
- Vampire Vixens from Venus · Jack Meov
- Law & Order · Sheriff Bell
- Hawaii Five-O · Hi-Fi Clerk