|Original airdate:||November 17, 2017|
|Next Episode:||"The Judas Goat"|
"Gunner" is the fifth episode of season one of The Punisher.
Frank and Micro go looking for answers from a reluctant witness. Madani and Sam learn of a looming investigation. Rawlins sees a ghost.
- Jon Bernthal as Frank Castle/The Punisher
- Ebon Moss-Bachrach as David Lieberman/Micro
- Ben Barnes as Billy Russo/Jigsaw
- Amber Rose Revah as Dinah Madani
- Paul Schulze as William Rawlins
- Michael Nathanson as Sam Stein
- Jaime Ray Newman as Sarah Lieberman
- Deborah Ann Woll as Karen Page
- Mary Elizabeth Mastrantonio as Marion James
- Tony Plana as Rafael Hernandez
- Ripley Sobo as Leo Lieberman
- Kobi Frumer as Zach Lieberman
- Jeb Kreager as Gunner Henderson
- Timothy D. Stickney as OIG Agent
- Shezi Sardar as Ahmad Zubair
Continuity and References to the Marvel Cinematic Universe
- Marion James is introduced.
- Wilson Fisk and his arrest is mentioned.
- Maria Castle is mentioned.
- Lisa Castle is mentioned.
- Frank Castle, Jr. is mentioned.
- Farah Madani is mentioned.
- Carson Wolf is mentioned.
- Edward Drogin is mentioned.
- Bennett is mentioned.
- Ray Schoonover is mentioned.
- Dinah Madani's Father is mentioned.
- Nelson and Murdock is mentioned.
- Footage of the Assassination of Ahmad Zubair is shown.
- When Frank is talking with Leo while he fixes the car they are discussing a book and wondering whether the tiger on the boat was real or not. This is a reference to the popular book Life of Pi that was adapted for film and met with much critical acclaim in 2012.