Cillian O'Sullivan


Originally from Ireland, Cillian now lives in New York. 

Cillian's credits include: 'Vikings' (Amazon), 'Maze' (directed by Stephen Burke) and 'Taken Down' (RTE). 


  • Height: 6' 4 (193cm)
  • Playing Age: 23 - 40
  • Eye Colour: Green
  • Hair Colour: Black
  • Hair Length: Short
  • Appearance: White




Halo: Nightfall, Christian Ramsey, Scott Free, (director: Sergio Mimica - Gezzan)

MAZE, Bobby Storey (Supporting), Maze Productions, (director: Stephen Burke)

In Paradise, Mike (Lead), Scattered images, (director: Marty Stalker)

Misty Button, James Sheehan (Lead), Locked in the Attic Productions, (director: Seanie Sugrue)

Brewbirds (Short Film), Mike, Northern Ireland Screen/Womb Productions, (director: Fintan Cheng)

Mrs Williams (Short Film), Angel of Death, Lost Dog, (director: Alan Stewart)

Thumb Wars(Short Film), Him (Lead), Northern Ireland Screen/Mighty Sprite, (director: Lisa Keogh)

Empire State (Short Film), Michael (Lead), Aidan Largey productions, (director: Aidan Largey)

Mr. Kelly (Short Film), Chris (Lead), Stick Down Underduck Productions, (director: Mal Campbell)

A Respite At Christmas (Short Film), John (Supporting Role), Campbell Miller Productions, (director: Campbell Miller)

Uncle Bills Barrel (Short Film), Tom Lynch (Lead), Image now films, (director: Eoin Ryan)

An Cosc (Short Film), Sean Daly (Lead), TG4, (director: Vincent Gallagher) 



Taken Down, Dunnie (recurring), RTE (director: David Caffrey)

Vikings, Eirik, VK Four Productions, (director:Various)

6 Degrees Season 3, Conor Martin (Lead), Sterling Productions/BBC, (directors: Various)

6 Degrees Season 2, Conor Martin (Lead), Stirling Productions/BBC, (directors: Paul Riordan/ Diarmuid Goggins/ Andrea Harkin)

6 Degrees Season 1, Conor Martin (Lead), Stirling Productions/BBC, (director: Paul Riordan/ Terry Loane)

Seacht, TG4,Mícháel (Lead), (director: Paul Riordan)

Singlehanded Pt 2, Andy(Supporting role), RTE 1, (director: Anthony Byrne)

The Running Mate Tg4, Danny Flynn (lead), TG4, (director: Declan Recks)
Scúp, Patrick, TG4, (director: Declan Recks)


Slimmer For Chirstmas, Nathan, Theatre At The Mill, (director: Andrea Montgomery)

The Kitchen, the Bedroom and the Grave, Mark, Accidental Theatre Company/Baby Grand/Irish Tour, (director: Richard Lavery)

All That Promise, Gavin (Lead), Theatre Of Pluck, (director: Niall Rea)

Somebody Who'll Watch Over Me, Michael (Lead), Subtletext Productions, (director: Katie O'Farrel)

The Fuegians,Fuegian 1 (Lead), Trina Scott Productions, (director: Trina Scott)

Father (Lead), Bedvound, Trina Scott Productions, (director: Trina Scott)

A Christmas Carol, Tiny Tim, 13th Street Repertory Manhattan, (director: Alan Johnson)

Frankensteins Monster, Daemon (Frankenstein's monster),Fast and loose 2013, (director: Leonie McDonagh)

Dancing At Lughnasa, Gerry Evans, Two River Theater, (director: Jessica Stone)



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