S.W.A.T. (2017 TV series) season 4

The fourth season of S.W.A.T., an American police procedural drama television series, premiered on November 11, 2020, and concluded on May 26, 2021, on CBS with 18 episodes produced.

The season dealt with real-life serious issues such as the COVID-19 pandemic, racial tension in Los Angeles between law enforcement and the Black community following the aftermaths of the killing of Breonna Taylor, and the murder of George Floyd, and Asian American and Pacific Islander racism that erupted from the COVID-19 pandemic, which was addressed with Victor Tan's mom being a victim of a hate crime in "Stakeout".

For the 2020–21 U.S. television season, the fourth season of S.W.A.T. ranked #42 with a total of 5.96 million viewers.

Main

 * Shemar Moore as LAPD SWAT Sergeant II Daniel "Hondo" Harrelson Jr.
 * Alex Russell as LAPD SWAT Officer III James "Jim" Street
 * Lina Esco as LAPD SWAT Officer III Christina "Chris" Alonso
 * Kenny Johnson as LAPD SWAT Officer III+1 Dominique Luca
 * David Lim as LAPD SWAT Officer III Victor Tan
 * Patrick St. Esprit as LAPD SWAT Commander Robert Hicks
 * Jay Harrington as LAPD SWAT Sergeant II David "Deacon" Kay

Recurring

 * Amy Farrington as LAPD SWAT Lieutenant Detective Piper Lynch
 * Lou Ferrigno Jr. as LAPD SWAT Sergeant Donovan Rocker
 * Obba Babatundé as Daniel Harrelson Sr.
 * Gabrielle Dennis as Briana Harrelson
 * DeShae Frost as Darryl Henderson
 * Bre Blair as Annie Kay
 * Otis "Odie" Gallop as LAPD SWAT Sergeant Stevens
 * Rochelle Aytes as Nichelle Carmichael
 * Susan Chuang as Chan Fei
 * Chris L. McKenna as DEA Agent Simons
 * David Gautreaux as Edward Yannick
 * Lyndie Greenwood as LAPD SWAT Officer Erika Rogers
 * David Rees Snell as Detective John Burrows
 * Michael Beach as Leroy Henderson
 * Joy Osmanski as FBI Agent Jennifer Carr
 * Karissa Lee Staples as Bonnie Lonsdale-Tan
 * Adam Aalderks as Lee Durham

Guest

 * Peter Onorati as LAPD SWAT Sergeant II Jeff Mumford
 * Sherilyn Fenn as Karen Street
 * Laura James as Molly Hicks
 * Cathy Cahlin Ryan as Wendy Hughes

Production
On May 6, 2020, CBS renewed the series for a fourth season.

Broadcast and release
The fourth season of S.W.A.T. was set to be a mid-season premiere. However, on July 14 it was announced that it would switch places with Survivor, and premiered on November 11, 2020.