Kevin J. O'Connor, born on November 15, 1963, in Chicago, Illinois, is an American actor known for his portrayals of eccentric and memorable characters. His career is marked by a prolific collaboration with director Stephen Sommers, who directed him in films such as *Deep Rising* (1998), *The Mummy* (1999), in the role of the treacherous Beni Gabor, and *Van Helsing* (2004), where he plays Igor. His other notable performances include roles in Francis Ford Coppola's *Peggy Sue Got Married* (1986) and Paul Thomas Anderson's *There Will Be Blood* (2007), where he plays Henry, the protagonist's alleged brother. Also active in television, O'Connor has appeared in series such as *The Others*, *Chicago P.D.*, and the miniseries *11.22.63*, based on the novel of the same name by Stephen King. For his performance in *The Mummy*, he received a Saturn Award nomination for Best Supporting Actor, solidifying his reputation as a versatile character actor in American cinema.