Biography
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.
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Filmography50+ titles
9-1-1
Castle
Hollywood's Magical Island: Catalina
Law & Order: Special Victims Unit
Rizzoli & Isles
Psych
M*A*S*H
Chesapeake Shores
One Tree Hill
American Housewife
Drop Dead Diva
The Outer Limits
The Middle
NCIS
Strong Medicine
Signed, Sealed, Delivered: To the Altar
Signed, Sealed, Delivered: Higher Ground
Signed, Sealed, Delivered: Lost Without You
Hot in Cleveland
Touched by an Angel
Body of Proof
Pee-wee's Playhouse
Signed, Sealed, Delivered: The Vows We Have Made
Sweet Carolina
Reckless
The Nine Kittens of Christmas
Not Quite Hollywood: The Wild, Untold Story of Ozploitation!
Logan's Run
The Nine Lives of Christmas
Signed, Sealed, Delivered: To the Moon and Back
Signed, Sealed, Delivered: Home Again
Signed, Sealed, Delivered: A Tale of Three Letters
Love, Fall & Order
Signed, Sealed, Delivered: Truth Be Told
Angel of Death
Signed, Sealed, Delivered: One in a Million
Red River
Fair Haven
My Christmas Love
Trilogy of Terror
Cloudy with a Chance of Love
The Vanished
Ringer
A Christmas Romance
North Shore
Razorback
After All These Years
Undercover Bridesmaid
Malone
Au Pair 3: Adventure in Paradise