O Halloran Svu, He was dedicated and hated unfounded judgemen
O Halloran Svu, He was dedicated and hated unfounded judgement. Doyle’s longest job. Includes character biography, gallery, and a complete list of episode appearances. The autograph is not a pre-print or a copy. Just did his job well and was sympathetic Character Guide for Law & Order: Special Victims Unit's Forensics Tech Ryan O'Halloran. Stabler says “Harrison’s toast” but Harrison’s lawyer Zimmer overhears and tells Stabler that 8. He is mainly known for his role on Law & Order: Special Victims Unit as Ryan O'Halloran, Adam Guenzel in Oz, The show’s 11th season finale was actor Mike Doyle’s final episode, which saw O’Halloran murdered by his forensic assistant, Dale Stuckey. I miss him. O'Halloran was a recurrent character starting from season 5 to season 10. This episode features the first appearances of two long running recurring characters on SVU: C.