★ 8.3 
Acting
Greg Webb
Greg Webb is best known for Supernatural, Smallville, Once Upon a Time and Caprica.
Known for
Filmography
- 2013King & MaxwellPeter Murray
- 2012AlcatrazMr. Bailey
- 2012Ring of FireDr. Stanton
- 2011Once Upon a TimeKing Harald
- 2010CapricaMan at the Mic
- 2005SupernaturalDwight Mahoney
- 2001SmallvilleFBI Agent
- 1988Elvis and MeCurrie Grant
- 1981Falcon CrestWalker McDowell
Frequently asked questions
What movies and shows has Greg Webb been in?
Greg Webb is best known for Supernatural, Smallville, Once Upon a Time and Caprica.
Updated: November 2, 2026 ·