Gregory Harrison
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17Hallmark films
3 at Christmas
across 16 rated films
Mostly standard issue
Best reviewed
Most recent
Gregory Harrison is the kind of actor Hallmark keeps in the ensemble rather than out front. Across 17 films since 2012 he has never once been the top-billed lead, and that is no knock. His best work runs through the "Signed, Sealed, Delivered" world, where the same four faces keep turning up beside him: Eric Mabius, Kristin Booth, Yan-Kay Crystal Lowe and Geoff Gustafson each share nine titles with him. That franchise is also his ceiling. "To the Altar" from 2018 sits at 8.2, his best-reviewed, with "The Vows We Have Made" and "Higher Ground" close behind. He plays it straight and tends toward big-city stories, not snowy small towns, and Christmas is rare for him at just three films. If you love that postal-detective universe, he is part of its furniture.
Follow & about Gregory
- From
- Avalon
- Married to
- Randi Oakes
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.
Gregory’s signature
Across 17 films, Gregory returns to Christmas and is often set in the big city.
- Christmas3 films
- the big city7 films
- a tech2 films
- a scene-stealing pet9 films
9 films
Gregory has shared more Hallmark sets with Eric Mabius than with anyone else.
9 films, one enduring on-screen pairing.
Known for
as Sam · 2014
Weirdness 5/10
as Tom · 2016
Weirdness 3/10
as Sam · 2021
Weirdness 2/10
as Mr. Thompson · 2012
Weirdness 3/10
as Pete · 2021
Weirdness 3/10
as Hank Hart · 2019
Weirdness 3/10
On-screen partners
Gregory’s most frequent on-screen partner is Eric Mabius, with 9 films together.
- Signed, Sealed, Delivered: To the Moon and Back (2025)
- Signed, Sealed, Delivered: A Tale of Three Letters (2024)
- Signed, Sealed, Delivered: The Vows We Have Made (2021)
- Signed, Sealed, Delivered: To the Altar (2018)
- Signed, Sealed, Delivered: Higher Ground (2017)
- Signed, Sealed, Delivered: Home Again (2017)
- Signed, Sealed, Delivered: One in a Million (2016)
- Signed, Sealed, Delivered: Lost Without You (2016)
- Signed, Sealed, Delivered: Truth Be Told (2015)
Recurring roles
Gregory is a recurring face in Signed, Sealed, Delivered.
Where Gregory fits in
The corners of the Hallmark universe Gregory keeps turning up in. Each one is a full ranked guide.
All 17 movies
Newest first2020s
5 films- 2025
Signed, Sealed, Delivered: To the Moon and BackActor as Trapper John, M.D. · Big CityNot ratedWeird 5/10 - 2024
Signed, Sealed, Delivered: A Tale of Three LettersActor as Joe O'Toole · Big City7.3Weird 2/10 - 2021
Signed, Sealed, Delivered: The Vows We Have MadeActor as Joe · Wedding8.1Weird 3/10 - 2021Sweet CarolinaActor as Pete · Small Town6.8Weird 3/10
- 2021The Nine Kittens of ChristmasActor as Sam · Christmas6.6Weird 2/10
2010s
12 films- 2019Love, Fall & OrderActor as Hank Hart · Halloween6.5Weird 3/10
- 2018
Signed, Sealed, Delivered: To the AltarActor as Joe · Wedding8.2Weird 3/10 - 2017
Signed, Sealed, Delivered: Higher GroundActor as Joe O'Toole · Big City8.0Weird 3/10 - 2017
Signed, Sealed, Delivered: Home AgainActor as Joseph O'Toole · Rural/Farm7.7Weird 3/10 - 2016My Christmas LoveActor as Tom · Christmas6.3Weird 3/10
- 2016
Signed, Sealed, Delivered: Lost Without YouActor as Joe O'Toole · Small Town8.0Weird 4/10 - 2016
Signed, Sealed, Delivered: One in a MillionActor as Joe O'Toole · Big City7.4Weird 2/10 - 2015
Cloudy with a Chance of LoveActor as Grant Marshall · Big City6.3Weird 4/10 - 2015
Signed, Sealed, Delivered: Truth Be ToldActor as Joe O'Toole · Big City7.7Weird 3/10 - 2014The Nine Lives of ChristmasActor as Sam · Christmas7.2Weird 5/10
- 2013
After All These YearsActor as David Larabee · Wedding Anniversary6.1Weird 3/10 - 2012Undercover BridesmaidActor as Mr. Thompson · Royal/Estate5.5Weird 3/10
Gregory’s standouts
- Highest ratedSigned, Sealed, Delivered: To the Altar (2018)
Best-reviewed of the 17, at 8.2/10
8.2 - Most divisiveUndercover Bridesmaid (2012)
Lowest-rated of the 17 — every filmography has one
5.5 - WeirdestSigned, Sealed, Delivered: To the Moon and Back (2025)
The strangest of the bunch — 5/10 on our weirdness scale
In pictures
A quick look at Gregory’s Hallmark run — headshot and the posters fans know best.
- Gregory Harrison
Beyond Hallmark
Where else you might recognise Gregory from — notable roles outside the Hallmark catalogue.
- 9-1-1as Phillip Buckley2018 · TV
- Castleas Danny Valentine2009 · TV
- The Middleas Bennett Brooks2009 · TV
- Psychas Ted Lomax2006 · TV
- NCISas Roland Ebbakey2003 · TV
- One Tree Hillas Paul Norris2003 · TV
- Law & Order: Special Victims Unitas Nathan Speer1999 · TV
- M*A*S*Has Lt. Tony Baker1972 · TV
Gregory’s creative circle
Most directed by
- Kevin Fair6 films
- Linda-Lisa Hayter3 films
Most written by
- Martha Williamson9 films
- Brandi Harkonen5 films
- Sheila Roberts2 films
Who Gregory works with
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.
Movies by year
Ratings profile
Average 7.1 across 16 rated movies — each dot is one film.
