John Mahon (I)

Actor:

• In Production
• 2000s
• 1990s
• 1980s
• 1970s

1. Knight Fever (2008) (in production)
   
   
2. "Studio 60 on the Sunset Strip" .... George (5 episodes, 2006-2007)
   ... aka Studio 60 (USA: informal alternative title)
       - The Disaster Show (2007) TV episode .... George
       - The Harriet Dinner: Part I (2007) TV episode .... George
       - The Christmas Show (2006) TV episode .... George
       - B-12 (2006) TV episode .... George
       - The Cold Open (2006) TV episode .... George
3. Zodiac (2007/I) .... Riverside Captain
4. "Enterprise" .... Admiral Gardner (1 episode, 2005)
   ... aka Star Trek: Enterprise (USA: new title)
       - In a Mirror, Darkly: Part 2 (2005) TV episode .... Admiral Gardner
5. "Zoey 101" .... Mr. Bradford (1 episode, 2005)
       - Prank Week (2005) TV episode .... Mr. Bradford
6. "Cold Case" .... Colonel (1 episode, 2004)
       - The Plan (2004) TV episode .... Colonel
7. "Crossing Jordan" (1 episode, 2002)
       - Payback (2002) TV episode
8. "Strange World" .... Agent Milton (1 episode, 2002)
       - The Devil Still Holds My Hand (2002) TV episode .... Agent Milton
9. Just Ask My Children (2001) (TV) .... Judge Ferguson
10. "The Division" .... Barry Constansas (1 episode, 2001)
    ... aka Heart of the City
        - What Sharp Teeth You Have (2001) TV episode .... Barry Constansas
11. "That's Life" .... Leo (1 episode, 2001)
        - Touched by a Biker (2001) TV episode .... Leo
12. "JAG" (1 episode, 2000)
    ... aka JAG: Judge Advocate General (Australia)
        - A Separate Peace: Part 2 (2000) TV episode
13. "Bull" .... Paul Catteo (1 episode)
        - What the Past Will Bring (????) TV episode .... Paul Catteo
14. "Touched by an Angel" .... Wally (1 episode, 2000)
        - A Clown's Prayer (2000) TV episode .... Wally
15. "Angel" .... Trevor Lockley (2 episodes, 1999-2000)
    ... aka Angel: The Series (USA: long title)
        - The Prodigal (2000) TV episode .... Trevor Lockley
        - Sense and Sensitivity (1999) TV episode .... Trevor Lockley
    
    
16. "Just Shoot Me!" .... Alan Drake (1 episode, 1999)
        - Blackmail Photographer (1999) TV episode .... Alan Drake
17. "Arli$$" (1 episode, 1999)
        - You Gotta Love This Game (1999) TV episode
18. Austin Powers: The Spy Who Shagged Me (1999) .... NATO Colonel
    ... aka Austin Powers 2: The Spy Who Shagged Me (USA: video title)
19. "The X Files" .... General Wegman (2 episodes, 1998)
    ... aka The X-Files (USA)
        - Dreamland II (1998) TV episode .... General Wegman
        - Dreamland (1998) TV episode .... General Wegman
20. "Diagnosis Murder" .... Fire Chief (1 episode, 1998)
        - Resurrection: Part 1 (1998) TV episode .... Fire Chief
21. Armageddon (1998/I) .... Karl
22. "Frasier" .... Uncle Walter 'Walt' Crane (1 episode, 1998)
        - Beware of Greeks (1998) TV episode .... Uncle Walter 'Walt' Crane
23. "The Pretender" .... Eugene Clark (1 episode, 1998)
        - A Stand-Up Guy (1998) TV episode .... Eugene Clark
24. "Brooklyn South" .... Gene Donovan (1 episode, 1998)
        - Dead Man Sleeping (1998) TV episode .... Gene Donovan
25. L.A. Confidential (1997) .... Police Chief
26. "Profiler" .... Detective Spitz (1 episode, 1997)
        - Blue Highway (1997) TV episode .... Detective Spitz
27. The American President (1995) .... Chairman of the Joint Chiefs
28. Roswell (1994) (TV) .... Red Hat Vet
    ... aka Incident at Roswell (Australia: video title)
    ... aka Roswell: The U.F.O. Cover-Up (USA: video title)
29. Natural Selection (1994) (TV) .... Coach Dickler
    ... aka Dark Reflection
30. Lifepod (1993) (TV)
31. "Space Rangers" .... Amb. Hardcastle (1 episode, 1993)
        - Death Before Dishonor (1993) TV episode .... Amb. Hardcastle
32. Sinatra (1992) (TV) .... Mr. Cleaves
33. "Homefront" .... Bus Driver (1 episode, 1992)
        - When the Stars Begin to Fall (1992) TV episode .... Bus Driver
34. One False Move (1992) .... Chief Jenkins
35. Final Shot: The Hank Gathers Story (1992) (TV) .... LMU Coach
36. Murder Without Motive: The Edmund Perry Story (1992) (TV) .... Inspector Hedges
    ... aka Best Intentions
37. "Flesh 'n' Blood" .... Holly's Dad (1 episode, 1992)
        - Love Is a Many Splendored Thing (1992) TV episode .... Holly's Dad
38. The People Under the Stairs (1991) .... Police sergeant
    ... aka Wes Craven's The People Under the Stairs
39. "Knots Landing" .... Investigator / ... (3 episodes, 1990)
        - The Fan Club (1990) TV episode .... Investigator
        - Wrong for Each Other (1990) TV episode .... Superior
        - The Grim Reaper (1990) TV episode .... Surveillant
40. "Jake and the Fatman" (1 episode, 1990)
        - You Took Advantage of Me (1990) TV episode
41. "Mancuso, FBI" (1 episode, 1990)
        - Adamant Eve (1990) TV episode
42. Bad Influence (1990) .... Dr. Fielding
43. "Dallas" .... Captain Holgar (1 episode, 1990)
        - A Tale of Two Cities (1990) TV episode .... Captain Holgar
    
    
44. "Baywatch" .... Arnold Anderson (1 episode, 1989)
    ... aka Baywatch Hawaii (USA: new title)
        - The Cretin of the Shallows (1989) TV episode .... Arnold Anderson
45. "Hunter" (1 episode, 1989)
        - Shoot to Kill (1989) TV episode
46. Midnight Train to Moscow (1989) (TV)
    ... aka Billy Crystal: Midnight Train to Moscow (USA)
47. Shakedown on the Sunset Strip (1988) (TV) .... Deputy Chief Evans
48. The Couch Trip (1988) .... Police Captain
49. "Hooperman" .... Chapell (1 episode, 1987)
        - Aria da Capo (1987) TV episode .... Chapell
50. Six Against the Rock (1987) (TV) .... Officer Bill Miller
51. Convicted: A Mother's Story (1987) (TV)
52. "Mike Hammer" (1 episode, 1986)
    ... aka Mickey Spillane's Mike Hammer (USA: complete title)
    ... aka The New Mike Hammer (USA: new title)
        - Dead Pigeon (1986) TV episode
53. "Stingray" .... Desk Sgt. (1 episode, 1986)
        - Sometimes You Gotta Sing the Blues (1986) TV episode .... Desk Sgt.
54. Betrayed by Innocence (1986) (TV)
    ... aka Jailbait: Betrayed by Innocence (USA: video title)
55. "Hill Street Blues" .... Detective McConnell / ... (2 episodes, 1985-1986)
        - Say It as It Plays (1986) TV episode .... Mario
        - Dr. Hoof and Mouth (1985) TV episode .... Detective McConnell
56. "MacGyver" .... Vendor (1 episode, 1985)
        - The Prodigal (1985) TV episode .... Vendor
57. "Knight Rider" .... Alfie Girdler (1 episode, 1985)
        - Knight Racer (1985) TV episode .... Alfie Girdler
58. "Misfits of Science" .... M.P. (1 episode, 1985)
        - Guess What's Coming to Dinner (1985) TV episode .... M.P.
59. "Simon & Simon" .... Minister (1 episode, 1985)
        - Love and/or Marriage (1985) TV episode .... Minister
60. "T.J. Hooker" .... Mr. Zewecki (1 episode, 1985)
        - The Chicago Connection (1985) TV episode .... Mr. Zewecki
61. "St. Elsewhere" .... Police Officer (1 episode, 1985)
        - Cheers (1985) TV episode .... Police Officer
62. Victims for Victims: The Theresa Saldana Story (1984) (TV)
    ... aka Victims for Victims
63. "Automan" .... Policeman (1 episode, 1984)
        - Zippers (1984) TV episode .... Policeman
64. "Scarecrow and Mrs. King" (1 episode, 1984)
        - Remembrance of Things Past (1984) TV episode
65. "Manimal" .... Man (1 episode, 1983)
        - Breath of the Dragon (1983) TV episode .... Man
    
    
66. Someone's Watching Me! (1978) (TV) .... Frimsin
    ... aka High Rise
67. A Killing Affair (1977) (TV) .... Det, Shoup
    ... aka Behind the Badge
68. "The Rockford Files" .... Lt. Hayes / ... (3 episodes, 1976-1977)
    ... aka Jim Rockford, Private Investigator (USA: syndication title)
        - There's One in Every Port (1977) TV episode .... Victor Sherman
        - Return to the 38th Parallel (1976) TV episode .... Lt. Hayes
        - Foul on the First Play (1976) TV episode .... Todd Morris
69. "The Blue Knight" .... SWAT Commander (1 episode, 1976)
        - To Kill a Tank (1976) TV episode .... SWAT Commander
70. Collision Course: Truman vs. MacArthur (1976) (TV) .... Gen. Hoyt Vandenburg
    ... aka Collision Course (USA: short title)
71. The Exorcist (1973) (uncredited) .... Language Lab Director
    ... aka The Exorcist 2000 (Australia: cable TV title)
    ... aka The Exorcist: The Version You Haven't Seen Yet (USA: recut version)
    ... aka The Exorcist: The Version You've Never Seen (USA: promotional title)
    ... aka William Peter Blatty's The Exorcist (USA: reissue title)