Cast & creator
Ryan Grantham
Best known for Supernatural, Supernatural, Riverdale
Ryan Grantham is a Canadian convicted killer and former child actor. He was sentenced to life in prison after admitting to killing his 64-year-old mother in 2020 as part of a broad scheme in which he said he had planned to also kill Prime Minister Justin Trudeau and carry out a mass shooting in British Columbia. He was declared eligible for parole after 14 years during sentencing proceedings.
Also known as: ライアン・グランサム
22
film credits
5
television credits
27
2005–2019 · acting roles
5.9
average across scored titles
Signature credits
Known for
Across film & television
Filmography (27)
Showing 27 of 27 credits
Supernatural
Hunter Boy #1
2005Supernatural
Todd
2005
Riverdale
Jeffery Augustine
2017
iZombie
Full Auto
2015
Harper's Island
Young J.D.
2009
Diary of a Wimpy Kid
Rodney James
2010
The Imaginarium of Doctor Parnassus
Little Anton
2009
Santa Buddies
Sam
2009
Marley & Me: The Puppy Years
Moose (voice)
2011
Ice Quake
Shane Webster
2010
The 12 Disasters of Christmas
Peter
2012
Way of the Wicked
Young Robbie
2014
Altitude
Young Bruce
2010
Undercover Cheerleader
Max
2019
Battle of the Bulbs
Tim Wallace
2010
The Carpenter's Miracle
Luke
2013
Storm Cell
Young Sean
2008
The Secret of the Nutcracker
Billy
2007
Perfect High
Robbie
2015
Trial by Fire
Little Boy
2008
Goblin
Ben Milgreen
2010
Barricade
Jake Shade
2012
Smart Cookies
Dax (uncredited)
2012The Anachronism
Sebastian
2008
Considering Love and Other Magic
Tommy
2017
Becoming Redwood
Redwood Forest Hanson
2012
Zombie Punch
Cody Turner
2009