
O'Brien grew up in nearby Royton and was educated at the Bishop Henshaw Roman Catholic Memorial High School in Rochdale. He began acting at an early age and was the star of a BBC TV series Gruey by the time he was 15. He also featured in several other series at the time in one-off or recurring roles. In 1993, he played the role of Craig Lee in Coronation Street and then the role of Lee Jones in Children's Ward. In 1993 he also became a regular in the detective series, Cracker, playing Mark, the son of central character Robbie Coltrane. In 1999 he made his cinema debut with the film Virtual Sexuality and began a reunited with Cracker director Michael Winterbottom for 24 Hour Party People in 2002 and, in '04, for the controversial 9 Songs, which included scenes of genuine sexual intercourse between O'Brien and his leading lady Margo Stilley. His role had earned him the credit of being the only mainstream British actor who has been shown ejaculating in a mainstream UK-produced feature. Since 9 Songs, O'Brien has made two further films with Winterbottom; A Cock and Bull Story and The Look of Love. Recent regular TV roles include Holby Blue and The Syndicate.

Matt
9 Songs

Alex Thorne
Virtual Sexuality

Charles Gibson Cowan
Elizabeth David: A Life in Recipes

Hughie McGowan
Goal!

Hughie McGowan
Goal II: Living the Dream

Narrator (Voice)
The Shock Doctrine

The Boy
Bellman and True

Jimmy Humphries
The Look of Love

Matt Banting
Monster Maker

Gary
A Cock and Bull Story

Nathan
24 Hour Party People

Lee Simpson
The Watchman

Peter Wilkes, a Farrier
Peterloo

Poster Vendor
Spike Island

PC Smalls
Holmes & Watson

Mark Fitzgerald
Cracker: Nine Eleven

Ben
The Following Year

Vain Man
The Banker
Known For
Acting
Known Credits
18
Gender
Male
Birthday
1973-01-23
Place of Birth
Oldham, Greater Manchester, UK
Also Known As
Keiran O'Brien