William Fichtner, Robert Knepper, Wentworth Miller, Dominic Purcell, Sarah Wayne Callies, Cress Williams, Amaury Nolasco, and James Hiroyuki Liao in Prison Break (2005)

Robert Knepper and Wentworth Miller in Prison Break (2005)

Robert Knepper and Robert Wisdom in Prison Break (2005)

Robert Knepper and Steve Shearer in Prison Break (2005)

Robert Knepper and Sarah Wayne Callies at an event for Prison Break (2005)

Robert Knepper at an event for Ride (2014)

Robert Knepper and Alona Tal at an event for Cult (2013)

Matthew Davis, Robert Knepper, Rockne S. O'Bannon, Jessica Lucas, and Alona Tal at an event for Cult (2013)

Matthew Davis and Robert Knepper at an event for Cult (2013)

Robert Knepper at an event for Cult (2013)

Rockmond Dunbar, Robert Knepper, Wentworth Miller, and Amaury Nolasco at an event for Prison Break (2005)

Robin Tunney, Stacy Keach, Rockmond Dunbar, Robert Knepper, Wentworth Miller, Dominic Purcell, Wade Williams, and Amaury Nolasco at an event for Prison Break (2005)

Mickey Rourke, Robert Knepper, and Jackson Rathbone in WarHunt (2022)

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)