Kevin J. O'Connor is an American actor best known for playing character roles in major studio movies such as There Will Be Blood, The Mummy, Clive Barker's Lord of Illusions, F/X2 and Van Helsing.
Born in Chicago, Illinois, Kevin trained at the DePaul/Goodman School of Drama. He appeared in the stage production of El Salvador at the Steppenwolf Theatre and made his New York, off - Broadway debut in The Colorado Catechism at the Circle Repertory Company.
Kevin made his screen debut in Francis Coppola's Peggy Sue Got Married. Since then he has appeared in numerous films including; Alan Rudolph's The Moderns, Robert Frank's Candy Mountain, Herbert Ross's Steel Magnolias, Stephen Frears' Hero, Michael Moore's Canadian Bacon and has appeared several times for Stephen Sommers including The Mummy.
His television work includes Gideon's Crossing, Robert Altman's Tanner '88 and The Caine Mutiny Court-Martial.
He was featured in the Western Seraphim Falls with Liam Neeson and Pierce Brosnan, and in Paul Thomas Anderson's There Will Be Blood, starring Daniel Day-Lewis.
He played the role of Harry Conrad in the crime drama television series The Beast, in 2009.