Tony O'Callaghan (born 16 June 1956) is a British television actor from London, known for his role of Sergeant Matt Boyden in the ITV police procedural drama The Bill from 1991 to 2003.
After leaving The Bill, O'Callaghan played Father Thaddeus in Fair City and Ollie Walters in EastEnders.
[2] In addition to his role on The Bill, he has also appeared in the television series The Magnificent Evans,[2] Family Affairs,[2] Holby City,[2] Doctors,[2] Shameless,[2] Three Up, Two Down, The Upper Hand and The Coven (in 2014).
[4] He also appeared in the Irish television soap opera Fair City on RTÉ One, where he played the character Father Thaddeus, a British priest living in Dublin, Ireland, and who is having a relationship with a female character.
O'Callaghan said of his casting: "I am very excited to be joining a show with as much prestige as EastEnders and I'm looking forward to portraying the nice side and humour of Ollie".