George Clooney, Tricia Cast, Robert Knepper, and Devon Michael in ER (1994)

Robert Knepper, Wade Williams, and Robert Wisdom in Prison Break (2005)

Robert Knepper in Murder, She Wrote (1984)

Penny Johnson Jerald, Robert Knepper, Seth MacFarlane, Max Burkholder, and Adrianne Palicki in The Orville (2017)

Robert Knepper and Adrianne Palicki in The Orville (2017)

Robert Knepper and Michael Kopsa in iZombie (2015)

Robert Knepper and Pasha Patriki in Burning Daylight (2010)

Robert Knepper in Burning Daylight (2010)

Robert Knepper and Sanzhar Sultan in Burning Daylight (2010)

Paul Calderon, Robert Knepper, Jack London, Adrian Cowan, Sanzhar Sultan, and Christopher DeMeo in Burning Daylight (2010)

Jason Alexander, Stacy Keach, Hal Sparks, Tim Kazurinsky, Robert Knepper, and Mike Starr in The Twilight Zone Radio Dramas (2002)