Terence Kelly
Terence Reginald Kelly (born June 12, 1944) is a Canadian film, television and stage actor. He is best known for his roles as RCMP officer Sgt. Wilkes in Red Serge, for which he garnered a Gemini Award nomination for Best Actor in a Dramatic Program or Mini-Series at the 2nd Gemini Awards in 1987, and as Grandpa Heffley in the Diary of a Wimpy Kid series.
Filmography
Supernatural
The Good Doctor
Smallville
Stargate SG-1
The X-Files
Psych
MacGyver
Stargate Atlantis
21 Jump Street
Millennium
Airwolf
The Dead Zone
The Outer Limits
Eureka
Bates Motel
Viper
First Wave
R. L. Stine's The Haunting Hour
Cold Squad
Sonic the Hedgehog
Da Vinci's Inquest
Caprica
It
Watchmen
Fear Itself
The Crow: Stairway to Heaven
Harper's Island
The Odyssey
Poltergeist: The Legacy
Night Visions