Tim Kelleher played Greg Merfield during Season 4 of 24. He also appeared in the films Independence Day (with Raphael Sbarge, Bill Smitrovich, Leland Orser, Greg Collins and Devon Gummersall), The Negotiator (with Michael Cudlitz, Carlos Gomez, Mary Page Keller, Dean Norris, and Nestor Serrano), and Inception (with Carl Gilliard, Claire Geare, and Marc Raducci).