
17Hallmark films
3 at Christmas
across 16 rated films
Mostly standard issue
Best reviewed
Most recent
Our catalogue credits Gregory Harrison in 17 Hallmark films, including 3 tagged Christmas. The earliest Hallmark film in our catalogue for Gregory Harrison is Undercover Bridesmaid (2012). The filmography below uses that same set of credits.
Gregory Neale Harrison is an American actor. He is known primarily for his roles as Dr. George Alonzo "Gonzo" Gates, the young surgeon assistant of Dr. Trapper John McIntyre on the CBS series Trapper John, M.D. (1979–86), and as ruthless business tycoon Michael Sharpe in the CBS series Falcon Crest (1989–1990). Since 2015, Harrison has played Joe O'Toole, father of Oliver, in the Hallmark Channel expansion films of Signed, Sealed and Delivered. From 2020 to 2024, he assumed the role of Gregory Chase on General Hospital.
Across 17 films, Gregory returns to Christmas and is often set in the big city.
9 films
Gregory has shared more Hallmark sets with Eric Mabius than with anyone else.
9 films, one enduring on-screen pairing.

Gregory’s most frequent on-screen partner is Eric Mabius, with 9 films together.
Gregory is a recurring face in Signed, Sealed, Delivered, and 1 other franchise.
The corners of the Hallmark universe Gregory keeps turning up in. Each one is a full ranked guide.

Best-reviewed of the 17, at 8.2/10
8.2
Lowest-rated of the 17 — every filmography has one
5.5
The strangest of the bunch — 5/10 on our weirdness scale
A quick look at Gregory’s Hallmark run — headshot and the posters fans know best.
Where else you might recognise Gregory from — notable roles outside the Hallmark catalogue.
The cast and crew Gregory keeps ending up on set with — the regular faces you’ll recognise from one film to the next. Bigger circle, more films together.
Average 7.1 across 16 rated movies — each dot is one film.
Gregory’s filmography, credits and ratings are compiled from IMDb, TMDB and Wikipedia, then checked and tidied by the Talking Hallmark team.
Catalogue curated by Alanna of Talking Hallmark. About the project
Talking Hallmark
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