Sergeant II Jeff Mumford (season 1; recurring season 2), the team leader of another SWAT Team alongside Hondo's.
Appearances
S.W.A.T.
Main cast, played by Peter Onorati
- Episode 1x01: Pilot (Nov 2, 2017)
- Episode 1x02: Cuchillo (Nov 9, 2017)
- Episode 1x04: Radical (Nov 23, 2017)
- Episode 1x05: Imposters (Nov 30, 2017)
- Episode 1x06: Octane (Dec 7, 2017)
- Episode 1x07: Homecoming (Dec 14, 2017)
- Episode 1x08: Miracle (Dec 21, 2017)
- Episode 1x09: Blindspots (Jan 4, 2018)
- Episode 1x10: Seizure (Jan 11, 2018)
- Episode 1x11: K-town (Jan 18, 2018)
- Episode 1x12: Contamination (Feb 1, 2018)
- Episode 1x13: Fences (Mar 1, 2018)
- Episode 1x14: Ghosts (Mar 8, 2018)
- Episode 1x16: Payback (Apr 5, 2018)
- Episode 1x18: Patrol (Apr 19, 2018)
- Episode 1x20: Vendetta (May 3, 2018)
- Episode 1x21: Hunted (May 10, 2018)
- Episode 1x22: Hoax (May 17, 2018)
Guest cast, played by Peter Onorati