Mark Costello
Like many of his costars from his time on JAG, Mark Costello went on to star in other projects after his time on the show. He played Commander Onclay, but he also guest starred on different TV show such as The West Wing, Everybody Hates Chris, General Hospital, and Criminal Minds on the regular.
Mark Costello
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Bill Cobbs
We bet you also felt sad when it was time to say goodbye to Chaplain Matthew Turner when the show ended. After this, Bill Cobbs played Tony on The Drew Carey Show. He also made guest appearances in other projects. If you are a fan of Ben Stiller, you might even remember that he played Reginald in Night at the Museum.
Bill Cobbs