Marc Adams
Marc Adams  is the actor who played Prince Hamlet in the  first season episode .

In the early 1960s, Adams was a founding member of  in Beverly Hills. 

Including his appearance on Star Trek, his only other television role during the 1960s was on Mission: Impossible (1967; with Brett Dunham, Winston DeLugo, and fellow "The Conscience of the King" actor William Sargent). 

In 1984 he was in episodes of Hardcastle & McCormick (starring Brian Keith and Daniel Hugh Kelly) and Webster.

He had a role in the 1992 TV-movie Sinatra (with Brad Blaisdell, Christopher Carroll, Jeff Corey, Robin Gammell, Bruce Gray, Bob Gunton, David A. Kimball, Jay Robinson, Jack Shearer, Don Stark, and Todd Waring). He later appeared in a 1996 episode of Arli$$ and the 2005 feature film Interviewing Norman.

Adams also appeared in a number off-Broadway plays, including The Dresser (1994) and The Liar (2006).

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Performers
TOS performers