John Mahon

acting

1. A Call to Arms → Major General Cosgrove USMC
2. Zodiac → Riverside Captain
3. Zoey 101 (TV) → Mr. Bradford
4. Star Trek: Enterprise (TV) → Admiral Gardner
5. Crossing Jordan (TV) → Police Captain
6. The Division (TV) → Barry Constansas
7. Just Ask My Children → Judge Ferguson
8. Angel (TV) → Trevor Lockley
9. Austin Powers: The Spy Who Shagged Me → NATO Colonel
10. Armageddon → Karl
11. Just Shoot Me! (TV) → Col. Alan Drake
12. L.A. Confidential → Police Chief
13. Arli$$ (TV) → Bert Shaw
14. Profiler (TV) → Det. Spitz
15. The Pretender (TV) → Eugene Clark
16. JAG (TV) → Admiral Rockerly
17. The American President → Chairman of the Joint Chiefs
18. Touched by an Angel (TV) → Wally
19. Roswell → Red Hat Vet
20. The X-Files (TV) → General Wegman
21. Frasier (TV) → Walt Crane
22. Diagnosis: Murder (TV) → Fire Chief
23. Final Shot: The Hank Gathers Story → LMU Coach
24. The People Under the Stairs → Police Sergeant
25. Flesh 'n' Blood (TV) → Holly's Dad
26. One False Move → Chief Jenkins
27. Baywatch (TV) → Arnold Anderson
28. The Couch Trip → Police Captain
29. Jake and the Fatman (TV) → Jameson
30. Six Against the Rock → Officer Bill Miller
31. Betrayed by Innocence → Bailiff
32. MacGyver (TV) → Vendor
33. Misfits of Science (TV) → Technician
34. Hunter (TV) → I.A.D. Officer #2
35. Crazy like a Fox (TV) → Lt. Doyle
36. Crazy like a Fox (TV) → Zach
37. Victims for Victims: The Theresa Saldana Story
38. Scarecrow and Mrs. King (TV)
39. Manimal (TV) → Man
40. Knight Rider (TV) → Alfie Girdler
41. St. Elsewhere (TV) → Police Officer
42. T. J. Hooker (TV) → Mr. Zewecki
43. Hill Street Blues (TV) → Detective McConnell
44. Hill Street Blues (TV) → Mario
45. Knots Landing (TV) → Surveillant
46. Knots Landing (TV) → Superior
47. Knots Landing (TV) → Investigator
48. Someone's Watching Me! → Frimsin
49. A Killing Affair → Det. Shoup
50. Collision Course: Truman vs. MacArthur → Gen. Hoyt Vandenberg
51. The Rockford Files (TV) → Todd Morris
52. The Rockford Files (TV) → Victor Sherman
53. Police Woman (TV) → Fireman
54. Kojak (TV) → Lawton
55. Kojak (TV) → I. A. D. Man
56. The Exorcist → Language Lab Director