Seamus O' Grady is the secondary antagonist in the 2003 film, Charlie's Angels: Full Throttle. He was portrayed by Justin Theroux. Seamus O' Grady was the leader and member of the Irish Mob. He was the former boyfriend of Dylan Sanders when she was using the name Helen Zaas before she entered the Witness Protection Program for testifying against him. When Helen went to Witness Protection, she was recommended to Charles Townsend , and became an Angel.