New Drop just released! When You Least Expect It Autographed at Books-A-MillionAnthony Risi is #3 in October's Sellers of the Month!Happy birthday Famke Janssen!East Coast Collector's Service is #2 in October's Sellers of the Month!New Drop just released! Bigfoot Must Die (Signed Book) at Barnes & NobleHOT right now: Tasting History a Recipe for Disaster Autographedbrandnmendes left ★★★★★ feedback for tagruato: “Met in person and had a smooth transaction.…”Happy birthday Annet Mahendru!David Phillips is today's Member Signature of the Day!In2flicks Autographs holds the crown for Maleficent — Cast on Graphmasters!Donnie left ★★★★★ feedback for Vdecostello: “A+++++++ authentic fast shipping amazing com…”New Drop just released! Only Children Autographed at Books-A-MillionNew Drop just released! Tasting History a Recipe for Disaster Autographed at Books-A-MillionNew Drop just released! I've Got You Autographed at Books-A-MillionWelcoming Tenks Chabashira to ISO!In2flicks Autographs holds the crown for The Boxtrolls — Cast on Graphmasters!HOT right now: Better Off Dead (Signed Book) (Jack Reacher Series #26)Welcoming Bob James to ISO!Valhalla_Collectables left ★★★★★ feedback for in2flicks: “Bought Several Windows, all labelled, really…”HOT right now: Bigfoot Must Die AutographedWelcoming Umberto Sciuto to ISO!North Collectors Co. is October's Seller of the Month!New Drop just released! Bitter Taste Autographed at Books-A-MillionToolcircle left ★★★★★ feedback for ChallengerCollectibles: “Absolutely amazing job by Chase and Challeng…”In2flicks Autographs holds the crown for Enola Holmes 2 — Cast on Graphmasters!Happy birthday Sam Rockwell!Happy birthday Robert Patrick!TBDave left ★★★★★ feedback for mintychauthentics: “I've been buying from Mintych for years. Th…”In2flicks Autographs holds the crown for Ali G: Who Iz I? — Cast on Graphmasters!In2flicks Autographs holds the crown for Narnia: The Magician's Nephew — Cast on Graphmasters!In2flicks Autographs holds the crown for Les Misérables — Cast on Graphmasters!rainman614 left ★★★★★ feedback for Vdecostello: “I have purchased from Vinny several times an…”
Gregory Harrison
ⓘ

Gregory Harrison

American actor (born 1950)

Harrison was born in Avalon, California, in 1950, the middle child of Ed Harrison, a ship's captain and poet, and Donna Lee Nagely, an aspiring dancer; they eventually divorced. He has an older sister, Kathleen (born 1948), and a younger brother, Christopher (born 1961). He served for two years in the United States Army during the Vietnam War era as a medic.
He was the title character on the science fiction series Logan's Run (1977-78), after which he played Levi Zendt on the NBC miniseries Centennial (1978).
He appeared on an episode of M*A*S*H before garnering fame in 1979 with the role of surgeon Dr. George "Gonzo" Gates on Trapper John, M.D., starring opposite Pernell Roberts. The medical drama was spun off from M*A*S*H. 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 seve…

Full biography →

ISO
Nobody has an ISO for Gregory Harrison yet. Be the first.

What’s an ISO?

ISO means in search of. You post the autograph you want (who, what item, your budget), and sellers who can get it, or already have it, reach out to you. It’s free, and it’s how many collectors find pieces that never hit eBay.

In RACC collections

Pieces RACC members have put on show

No member has shown a Gregory Harrison piece yet. Add yours.

No Gregory Harrison drops yet. Be first to know when there is one. Drops are official signed merchandise that artists, record labels and official distributors release regularly, and they sell out fast.

Alerts come as one daily summary email, most popular first.

TTM
Nobody has logged a through-the-mail request to Gregory Harrison yet. Be the first to log a TTM.

×

Questions? Message RACC Team

When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.

© 2026 Real Autograph Collectors Club