Cillian O’Sullivan

Cillian O'Sullivan Headshot

Actor

Birth Place: New York

IMDB

Cillian O'Sullivan is an American actor who appeared in "In From the Cold," and "Then You Run."

Credits

Actor Guest Producer Director Writer Music All Credits

The Lost Princess

Actor
Alec Touati
Movie
2025

The Boy That Never Was

Actor
Garrick
Show
2024

Then You Run

Actor
Orin
Show
2023

In From the ColdStream

Actor
Chauncey
Series
2022
71%

FBI: Most WantedStream

Guest Star
Scot Weitzen
Series
2020

Misty Button

Actor
Movie
2019

Taken Down

Actor
Dunnie
Show
2018

The Six O'Clock Show

Guest
Show
2016

BullStream

Guest Star
Nathan Alexander
Series
2016

The BlacklistStream

Guest Star
Skip Sutherland
Series
2013
91%

6 Degrees

Actor
Show
2012

Photos

Jess Bush as Chapel and Cillian O'Sullivan as Dr. Roger Korby — 'Star Trek: Strange New Worlds' Season 3 Episode 2 'Wedding Bell Blues'