Gregory Harrison Biography

Harrison served for two years in the United States Army during the Vietnam War era as a medic.
He was the title character on the 1977–78 science fiction series Logan's Run after which he played the role of Levi Zendt on the 1978 NBC miniseries Centennial.
In 1979 after years of being a relatively unknown actor Harrison finally won the role of surgeon Dr. George Gonzo Gates on Trapper John M.D. opposite Pernell Roberts the popular medical drama spun off from MASH. Harrison had previously guest starred on an episode of MASH the year after Wayne Rogers departed from the role of Trapper John on that series. Harrison remained as Gonzo on Trapper John until the middle of the show's seventh season when he decided to leave for other ventures. The series continued for several more episodes without Harrison but concluded its run at the end of the 1985–86 season. Harrison who'd been a fan of Roberts's since he watched Bonanza from childhood as he envisioned his future TV chief of surgeon's character as the eldest son of the Cartwright Family who happily left his role on the show after his sixth year. After he left the show Harrison remained close friends with Roberts until he lost him on January 24 2010 to pancreatic cancer.

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