Mark Costello
In JAG Mark Costello played Commander Onclay, before he went on to act in shows like Everybody Hates Chris, General Hospital, The West Wing, and Criminal Minds.
Mark Costello
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Bill Cobbs
Bill Cobbs will be remembered by JAG fans as Chaplain Matthew Turner. Once the show ended he has dabbled more in the comedic side of acting, joining The Drew Carey Show, and featuring in the movie with Ben Stiller Night at the Museum.
Bill Cobbs
