Keene Curtis
Keene Curtis  was an American character actor whose stage, film, and television career spanned five decades. He appeared as "Old Man #2" in the  third season episode . Curtis' appearance in "Sacred Ground" reunited him with Parley Baer. Both men guest-starred on Beverly Hills 90210 in the Season 2 holiday themed "A Walsh Family Christmas", which also also featured Ann Gillespie. 

On stage, Curtis won a Tony Award in 1971 for supporting actor in the musical The Rothschilds. He was also well known for his portrayal of Daddy Warbucks in the stage musical Annie.

Curtis appeared as a guest actor or voice in an astonishing variety of television series, from Wonder Woman to Scooby-Doo to The Pretender. He was perhaps most visible in a recurring role as John Allen Hill on the sitcom Cheers, working alongside Kirstie Alley, Kelsey Grammer, Bebe Neuwirth, and Paul Willson.

Curtis guested in the Stargate SG-1 episode "The Torment of Tantalus" with Paul McGillion (who played the younger version of his character Ernest Littlefield) and Elizabeth Hoffman. Further, he is one of the few actors to have worked in both the Star Trek and Star Wars universes, having portrayed Grand Moff Tarkin in the Star Wars Radio Drama (with Brock Peters and David Clennon).

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Performers
VOY performers