Peter O’Brien is an Australian actor whose career began in the 1980s. During the ’90s, he starred in the comedy sketch show The All New Alexei Sayle Show and starred as Mr. Cyril “Scissors” Smedley in the British series Cardiac Arrest. He later became known for his role as Cameron Roberts in the British show Queer as Folk. During the 2000s, he became more active on Australian TV, playing Det. Joe Hill in White Collar Blue. He next starred in the anthology series Nightmares and Dreamscapes: From the Stories of Stephen King. In 2007, he played Theo ‘Stitch’ Lambert in the UK show Casualty. He also played George Freeman in the Aussie series Underbelly: A Tale of Two Cities. Afterward, he portrayed John Howlett in the Hollywood film X-Men Origins: Wolverine.