Robert Knepper
- Known For
- Acting
- Born
- July 8, 1959 in Fremont, Ohio, USA
- Active Years
- 1984–2026 (43 Years)
- Total Credits
- 142 credits in database
Biography
Robert Lyle Knepper, born July 8, 1959, in Fremont, Ohio, is an American male actor. He began his career in community theater before relocating to Chicago. Knepper is most recognized for portraying Theodore “T‑Bag” Bagwell on the Fox drama Prison Break, a role that earned him a Satellite Award nomination. His film work includes appearances in Hitman (2007) and Transporter 3 (2008). He joined the fourth season of Heroes and later appeared in the second season of Stargate Universe, which began airing in the United States in the fall of 2010. He is slated to reprise his T‑Bag character in the forthcoming series Breakout Kings.
Career overview
Robert Knepper was born on July 8, 1959 in Fremont, Ohio, United States. Early in his career he performed in community theater before relocating to Chicago to pursue further acting opportunities.
Knepper achieved widespread recognition for his portrayal of Theodore “T‑Bag” Bagwell in the Fox drama series Prison Break, a role that earned him a nomination for a Satellite Award. He expanded his film work with appearances in Hitman (2007) and Transporter 3 (2008). In television, he joined the fourth season of Heroes and later became part of the cast of Stargate Universe for its second season, which began airing in the United States in the fall of 2010.
According to available information, Knepper is slated to reprise his “T‑Bag” character in the forthcoming series Breakout Kings. His career, documented across more than one hundred credited performances, reflects a range of roles in both film and television since his early stage work.
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Frequent co-stars
Career timeline
Full Filmography
142 titles- The Gray House (2026) as Bully Lumpkin
- The Lost Princess (2025) as Robert Goodman
- The Last Supper (2025) as Judas
- Alzarfa (2025)
- Dark Winds (2022) as The Priest
- Mindcage (2022) as Lt. Owings
- Mindcage (2022) Executive Producer
- WarHunt (2022) as Sergeant Brewer
- The Retaliators (2022) as Otto
- The Pact (2022) as Jay
- The Moderator (2022) as Agent John Ross
- Nova Vita (2021) as Mr. Chinzano
- Lena and Snowball (2021) as Percy
- Redemption Day (2021) as Mysterious Oil Lobbyist
- Battle of Defense (2020)
- The Trapped (2020) as Victor
- Battle of Defense 2 (2020) as Carden
- Voice of the Nation (2019)
- S.W.A.T. (2019) as Sam
- 1st Born (2019) as Joe
- Frat Pack (2018) as Kush
- Edge of Fear (2018) as Victor Novak
- The Orville (2017) as Hamelac
- Badsville (2017) as Mr. Gavin
- Dating Game Killer (2017) as Detective Jim Hamell
- The Polish Accountant (2017) as Self
- Carousel (2017) as Wallace
- Tell It Martin (2017) as Self
- The Number of Completion (2017) as Self
- A Bloody Finger in Your Mouth (2017) as Self
- Twin Peaks: The Phenomenon (2017) as Self
- Jack Reacher: Never Go Back (2016) as General Harkness
- Hard Target 2 (2016) as Jonah Aldrich
- Where is Rocky II? (2016) as Cal Joshua (segment "Monument One")
- iZombie (2015) as Angus McDonough
- The Hunger Games: Mockingjay - Part 2 (2015) as Antonius
- Texas Rising (2015) as Empresario Buckley
- The Hoarder (2015) as Vince
- Cold Deck (2015) as Turk
- The Mockingjay Lives: The Making of the Hunger Games: Mockingjay Part 1 (2015) as Self - Antonius
- The Flash (2014) as William Tockman / Clock King
- The Hunger Games: Mockingjay - Part 1 (2014) as Antonius
- Ride (2014) as Peter
- The Blacklist (2013) as The Courier
- R.I.P.D. (2013) as Nawlicki
- Percy Jackson: Sea of Monsters (2013) as Kronos
- Cult (2013) as Billy Grimm
- Mob City (2013) as Sid Rothman
- Arrow (2012) as William Tockman / Clock King
- Seal Team Six: The Raid on Osama Bin Laden (2012) as Lieutenant Commander
- My Way (2012) as Frank Sinatra
- Shameless (2011) as Rod
- Homeland (2011) as General Jamie McClendon
- American Horror Story (2011) as Lieutenant
- Breakout Kings (2011) as Theodore 'T-Bag' Bagwell
- Earth's Final Hours (2011) as John Streich
- Hawaii Five-0 (2010) as IA Detective Rex Coughlin
- Burning Daylight (2010) as Burning Daylight
- Stargate Universe (2009) as Simeon
- Prison Break: The Final Break (2009) as Theodore 'T-Bag' Bagwell
- Live from Studio Five (2009) as Self
- Transporter 3 (2008) as Johnson
- The Day the Earth Stood Still (2008) as Colonel
- Turok: Son of Stone (2008) as Chichak (voice)
- Hitman (2007) as Yuri Marklov
- Heroes (2006) as Samuel Sullivan
- Criminal Minds (2005) as Rhett Walden
- Prison Break (2005) as Theodore 'T-Bag' Bagwell
- Good Night, and Good Luck. (2005) as Don Surine
- Point Pleasant (2005) as Presenter at the Dance
- Hostage (2005) as Wil Bechler
- Species III (2005) as Dr. Abbot
- NCIS (2003) as Benson Long
- Carnivàle (2003) as Tommy Dolan
- Making 'Carnivàle': The Show Behind the Show (2003)
- CSI: Miami (2002) as Freddy Coleman
- Presidio Med (2002) as Sean
- The Pennsylvania Miners' Story (2002) as Mark ' Moe' Popernack
- Law & Order: Criminal Intent (2001) as Peter Kelmer
- Thieves (2001) as Special Agent Shue
- Jackie, Ethel, Joan: Women of Camelot (2001) as Robert F. Kennedy
- Lady in the Box (2001)
- Love & Sex (2000) as Gerard Boussard
- The West Wing (1999) as Morgan Ross
- Harsh Realm (1999)
- Absence of the Good (1999) as Glenn Dwyer
- Kidnapped in Paradise (1999)
- Seven Days (1998)
- Brimstone (1998) as Assistant D.A. Stewart Lambert
- Jaded (1998) as Freddy
- Phantoms (1998) as Agent Wilson
- The Stringer (1998)
- The Visitor (1997) as Alex Burton
- You Are Here (1997) as Jack
- The Undercover Kid (1997) as Bo the Dog
- Profiler (1996) as Martin Lewis
- Everyone Says I Love You (1996) as Greg
- MugShot (1996) as Joe
- Voice from the Grave (1996) as Milosh
- Dead of Night (1996) as Christian
- Star Trek: Voyager (1995) as Gaul
- New York News (1995) as ex-con
- Search and Destroy (1995) as Daniel Strong
- ER (1994) as Keith Reynolds
- When the Bough Breaks (1994) as Lt. Jimmy Creedmore
- Pointman (1994) as Johnny
- Under Heat (1994) as Milo
- Getting Out (1994) as Carl
- Red Shoe Diaries 2: Double Dare (1993) as Nick Willard (archive footage)
- Zelda (1993) as Wilson
- Doorways (1993) as Thane
- Red Shoe Diaries (1992) as Nick Willard
- Where the Day Takes You (1992) as Rock Singer
- Gas Food Lodging (1992) as Dank
- Civil Wars (1991) as Joey D'Amato
- Session Man (1991) as Torrey Cole
- Perry Mason: The Case of the Fatal Fashion (1991) as Kim Weatherly
- Law & Order (1990) as Daniel "Igor" Smith
- Twin Peaks (1990) as Rodney Mitchum
- Young Guns II (1990) as Deputy Carlyle
- E.A.R.T.H. Force (1990) as Dr. Peter Roland
- Commando Earth Force (1990) as Dr. Peter Roland
- Snoops (1989) as Steve Shaver
- Renegades (1989) as Marino
- China Beach (1988)
- D.O.A. (1988) as Nicholas Lang
- Star Trek: The Next Generation (1987) as Wyatt Miller
- Tour of Duty (1987) as Allen
- Made in Heaven (1987) as Orrin
- Police Story: The Freeway Killings (1987) as Karl James
- Wild Thing (1987) as Wild Thing
- L.A. Law (1986) as George Buckner
- L.A. Law (1986) as David Orcott
- That's Life! (1986) as Steve Larwin
- L.A. Law: Pilot (1986) as Georgia/George Buckner
- The Twilight Zone (1985) as (segment "Joy Ride")
- The Twilight Zone (1985) as (segment "Private Channel")
- Murder, She Wrote (1984) as Charles George Drexler
- Murder, She Wrote (1984) as Owen McLaglen
- Murder, She Wrote (1984) as Robbie Dorow
- Mick Skylark: Mini Golf Prodigy as Vladimir
- Doorways as Thane
Frequently Asked Questions
What movies or TV shows is Robert Knepper best known for?
Robert Knepper is widely recognized for notable roles and projects including The Lost Princess (2025), The Last Supper (2025), Dark Winds (2022), Mindcage (2022).
When and where was Robert Knepper born?
Robert Knepper was born on July 8, 1959 in Fremont, Ohio, USA.
How many credits does Robert Knepper have?
Robert Knepper has accumulated over 142 film and television credits across a career spanning from 1984 to 2026.
What is Robert Knepper's background in cinema and television?
Robert Lyle Knepper, born July 8, 1959, in Fremont, Ohio, is an American male actor. He began his career in community theater before relocating to Chicago. Knepper is most recognized for portraying Theodore “T‑Bag” Bagwell on the Fox drama Prison Break, a role that earned him a Satellite Award nomination. His film work...
Robert Knepper by the numbers
Age in their best-rated roles
- Star Trek: The Next Generation (1987) as Wyatt Miller — aged about 27
- Criminal Minds (2005) as Rhett Walden — aged about 45
- The West Wing (1999) as Morgan Ross — aged about 39
- Twin Peaks (1990) as Rodney Mitchum — aged about 30
- Shameless (2011) as Rod — aged about 51
- American Horror Story (2011) as Lieutenant — aged about 51
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