Brett Dunham
Brett Dunham  was an actor who appeared, uncredited, as  the security chief who appeared in the  first season episodes  and .

In addition to his Trek role, he also appeared in episodes of Mission: Impossible (with Marc Adams, John McLiam, Winston DeLugo, Robert C. Johnson and William Sargent) and The Bionic Woman (with Marj Dusay) and the made-for-TV move Crisis in Mid-air (with Charles Lucia, Terrence E. McNally and Ron Burke).

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Performers
TOS performers