Glenn is Rick's "go-to-town expert" who is married to Maggie.
Appearances
The Walking Dead
Main cast, played by Steven Yeun
- Episode 1x02: Guts (Nov 7, 2010)
- Episode 1x03: Tell It to the Frogs (Nov 14, 2010)
- Episode 1x04: Vatos (Nov 21, 2010)
- Episode 1x05: Wildfire (Nov 28, 2010)
- Episode 1x06: TS-19 (Dec 5, 2010)
- Episode 2x01: What Lies Ahead (Oct 16, 2011)
- Episode 2x02: Bloodletting (Oct 23, 2011)
- Episode 2x03: Save the Last One (Oct 30, 2011)
- Episode 2x04: Cherokee Rose (Nov 6, 2011)
- Episode 2x05: Chupacabra (Nov 13, 2011)
- Episode 2x06: Secrets (Nov 20, 2011)
- Episode 2x07: Pretty Much Dead Already (Nov 27, 2011)
- Episode 2x08: Nebraska (Feb 12, 2012)
- Episode 2x09: Triggerfinger (Feb 19, 2012)
- Episode 2x11: Judge, Jury, Executioner (Mar 4, 2012)
- Episode 2x12: Better Angels (Mar 11, 2012)
- Episode 2x13: Beside the Dying Fire (Mar 18, 2012)
- Episode 3x01: Seed (Oct 14, 2012)
- Episode 3x02: Sick (Oct 21, 2012)
- Episode 3x04: Killer Within (Nov 4, 2012)
- Episode 3x05: Say the Word (Nov 11, 2012)
- Episode 3x06: Hounded (Nov 18, 2012)
- Episode 3x07: When the Dead Come Knocking (Nov 25, 2012)
- Episode 3x08: Made to Suffer (Dec 2, 2012)
- Episode 3x09: The Suicide King (Feb 10, 2013)
- Episode 3x10: Home (Feb 17, 2013)
- Episode 3x11: I Ain't a Judas (Feb 24, 2013)
- Episode 3x13: Arrow on the Doorpost (Mar 10, 2013)
- Episode 3x15: This Sorrowful Life (Mar 24, 2013)
- Episode 3x16: Welcome to the Tombs (Mar 31, 2013)
- Episode 4x01: 30 Days Without an Accident (Oct 13, 2013)
- Episode 4x02: Infected (Oct 20, 2013)
- Episode 4x03: Isolation (Oct 27, 2013)
- Episode 4x05: Internment (Nov 10, 2013)
- Episode 4x08: Too Far Gone (Dec 1, 2013)
- Episode 4x10: Inmates (Feb 16, 2014)
- Episode 4x11: Claimed (Feb 23, 2014)
- Episode 4x13: Alone (Mar 9, 2014)
- Episode 4x15: Us (Mar 23, 2014)
- Episode 4x16: A (Mar 30, 2014)
- Episode 5x01: No Sanctuary (Oct 12, 2014)
- Episode 5x02: Strangers (Oct 19, 2014)
- Episode 5x03: Four Walls and a Roof (Oct 26, 2014)
- Episode 5x05: Self Help (Nov 9, 2014)
- Episode 5x07: Crossed (Nov 23, 2014)
- Episode 5x08: Coda (Nov 30, 2014)
- Episode 5x09: What Happened and What's Going On (Feb 8, 2015)
- Episode 5x10: Them (Feb 15, 2015)
- Episode 5x11: The Distance (Feb 22, 2015)
- Episode 5x12: Remember (Mar 1, 2015)
- Episode 5x13: Forget (Mar 8, 2015)
- Episode 5x14: Spend (Mar 15, 2015)
- Episode 5x15: Try (Mar 22, 2015)
- Episode 5x16: Conquer (Mar 29, 2015)
- Episode 6x01: First Time Again (Oct 11, 2015)
- Episode 6x03: Thank You (Oct 25, 2015)
- Episode 6x07: Heads Up (Nov 22, 2015)
- Episode 6x08: Start to Finish (Nov 29, 2015)
- Episode 6x09: No Way Out (Feb 14, 2016)
- Episode 6x11: Knots Untie (Feb 28, 2016)
- Episode 6x12: Not Tomorrow Yet (Mar 6, 2016)
- Episode 6x13: The Same Boat (Mar 13, 2016)
- Episode 6x15: East (Mar 27, 2016)
- Episode 6x16: Last Day on Earth (Apr 3, 2016)
- Episode 7x01: The Day Will Come When You Won't Be (Oct 23, 2016)
Guest cast, played by Steven Yeun
- Episode 11x24: Rest in Peace (Nov 20, 2022)