Biography
No biography on TMDB for this person.
Also known as
Cillian O'Suilleabhain · Cillian Ó Súilleabháin
Photos
Profile images from TMDB · click to enlarge
1 image
Roles across career
Titles counted once; a person can act and direct on the same film (roles merged).
17
Acting credits
0
Directing
0
Writing
0
Other crew
Most critically rated
Highest TMDB score (min 100 votes)
- 1
★ 8.4Chicago P.D.
2014 · tv · as Shane Sullivan
- 2
★ 8.2Daredevil: Born Again
2025 · tv · as Devlin
- 3
★ 8.1Vikings
2013 · tv · as Eirik
- 4
★ 7.9Star Trek: Strange New Worlds
2022 · tv · as Dr. Roger Korby
- 5
★ 7.6The Blacklist
2013 · tv · as Skip Sutherland
- 6
★ 7.6FBI: Most Wanted
2020 · tv · as Scot Weitzen
- 7
★ 7.0Bull
2016 · tv · as Nathan Alexander
- 8
★ 6.7Halo: Nightfall
2014 · movie · as Christian Ramsey (uncredited)
Most commercially successful
Highest TMDB vote count (attention / reach proxy; not box office)
Career timeline
By release / first air year · movie & TV merged
