Gregory Sierra

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Known For

Credits

Cast Credits

The X-Files (1993)
Guest starring as Dr. Diamond
Star Trek: Deep Space Nine (1993)
Guest starring as Entek
The Golden Palace (1992)
Guest starring as Rubin
Blacke's Magic (1986)
Guest starring as Sheriff Tallman
Miami Vice (1984)
Guest starring as Lt. Lou Rodriguez (3 episodes)
Cassie & Co. (1982)
Guest starring as unknown
Petrocelli (1974)
Guest starring as Rudolph Chavez
All In the Family (1971)
Guest starring as Paul Benjamin