
Robert "Con" O'Neill (born 15 August 1966) is an English actor. He started his acting career at the Everyman Theatre and became primarily known for his performances in musicals. He received critical acclaim and won a Laurence Olivier Award for playing Michael "Mickey" Johnstone in the musical Blood Brothers. Subsequently, he was nominated for a Tony Award and a Drama Desk Award for the same role. He has also appeared in many films and television series.

Pressure
2026 · as Air Marshal Leigh-Mallory

The Batman
2022 · as Chief Mackenzie Bock

The Trial
2026 · as Karl

Being Billy
2026 · as Billy Livesey

Bedrooms and Hallways
1998 · as Terry

The Kid
2010 · as Dennis

The Lilac Bus
1990 · as Tom

Isabella
2018 · as Michael

Bash Street
2011 · as Matty Snr

The Way of the Wind
as Enoch

Telstar: The Joe Meek Story
2008 · as Joe Meek

The Last Seduction II
1999 · as Troy Fenton

3 Steps to Heaven
1995 · as Angel Farnham

Cider with Rosie
1998 · as Uncle Ray

Learners
2007 · as Gerry

ANON

Scarborough Ahoy!
1994 · as Michael

Vengeance Is Mine
2021 · as Harry Kane