Cast & creator
Adam O'Byrne
Best known for NCIS, Castle, Grimm
Adam O'Byrne was born on October 2, 1979. He is an actor and producer.
Movies
6
film credits
Series
13
television credits
Career
15
2003–2026 · acting roles
Credit score
6.7
average across scored titles
Signature credits
Known for
Across film & television
Filmography (19)
Showing 19 of 19 credits
Series
★ 7.6
NCIS
Mike Norman
2003
Series
★ 8.0
Castle
Mr. Rubens
2009
Series
★ 8.3
Grimm
Oscar Vasicek
2011
Series
★ 7.9
Bosch
Nate Tyler
2015
Series
★ 8.1
9-1-1: Lone Star
Darryl
2020
Series
★ 6.7
The Affair
Tony
2014
Series
★ 7.2
Perry Mason
Tod Robbins
2020
Series
★ 7.6
Interview with the Vampire
Producer
2022
Series
★ 6.3
Extant
Ryan Jackson
2014
Series
★ 8.2
Lessons in Chemistry
Bishop
2023
Series
★ 7.5
The Westies
Deke Kinsella
2026
Series
★ 6.6
The Vampire Lestat
Producer
2026
Series
★ 3.5
The Vampire Lestat: After Dark
Executive Producer
2026
Movie
★ 4.9
Yeti: Curse of the Snow Demon
James De Ravin
2008
Movie
★ 6.3
The Ballad of Lefty Brown
Crobley
2017
Movie
★ 4.7
Sleepwalker
Officer Dowden
2017
Movie
★ 6.1
Aporia
Darby
2023
Movie
★ 5.6
Dead Man's Burden
Archie Ainsworth
2012
Movie
Chronicles Simpkins Will Cut Your Ass
Producer
2013