Keith Szarabajka (b. December 2, 1952) is an American actor and voice artist.
His many roles include Mickey Kostmayer in The Equalizer, Daniel Holtz in Angel, and Gerald Stephens in The Dark Knight. He has also appeared in Castle, Law & Order, Babylon 5, Stark Trek: Voyager, and The X-Files.
He also appeared in two similar monster-of-the-week style TV series, Angel and Charmed. John Rubinstein and Harry Groener also appeared in all three (though in Harry Groener's case, he appeared in Buffy the Vampire Slayer, which is set in the same universe as Angel).