The cast of JAG in real life

[post_page_title]Mark Costello as Commander Onclay and General Otis Flannik[/post_page_title]

Mark Costello was on JAG for a total of four episodes, but he took on the role of multiple characters on the show. It is perhaps for this reason that he only appears only once on seasons three, four, five, and seven.

Mark Costello as Commander Onclay and General Otis Flannik

Costello played Commander Onclay, a United States Naval Commander, as well as General Otis Flannik, a man who was a General in the United States Marines. His gruff attitude made him a convincing general, and is proof of the work he did previous to the role.

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