John Mahon
John Mahon  , played Fleet Admiral  in the  fourth season episode .

Mahon also guest-starred in Frasier (with Kelsey Grammer, James Gleason, and Joseph Will) and also appears in the films Armageddon, L.A. Confidential, Austin Powers: The Spy Who Shagged Me, and Zodiac.

He also appeared in Convicted: A Mother's Story (1987; with Randy Lowell, Lisa Chess, and Ron Soble).

Mahon died of natural causes in his home in Los Angeles on .

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