Alan Ritchson‘s hit series Reacher is back for season 4 – with major cast changes on screen.
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Based on the Jack Reacher novel series by Lee Child, Reacher stars Ritchson as the main character, who is a self-proclaimed drifter and former U.S. Army military police officer with incredible strength, intellect and abilities. During his travels, Reacher crosses paths with dangerous criminals and battles them.
Season 4 pulls inspiration from the 2009 novelGone Tomorrow, which follows Reacher as he witnesses a suicide on the subway in New York. According to the official synopsis, Reacher “soon discovers the woman who killed herself was Pentagon staffer Susan Mark, who was caught up in a larger deadly conspiracy involving a corrupt politician, Al Qaeda terrorists and countless murders.”
In addition to Ritchson, season 4 stars Sydelle Noel, Christopher Marquette, Agnez Mo, Anggun and Kevin Corrigan.
Keep scrolling to meet the season 4 newcomers:
Ritchson is once again front and center as the show’s main character, Jack Reacher.
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Noel, who previously auditioned for the role of Maria Sten’s Frances Neagley, is Tamara Green in season 4 a.k.a a detective with the Philadelphia Police Department.
Mo is part of the fourth season as Lila Hoth.
Anggun, meanwhile, is playing Amisha Hoth in season 4.
Marquette brings Jake to life, who is described as a small-town police officer. Jay Baruchel was originally cast in the role before being recast but he is expected to play a new character in season 5.
Corrigan is Shaun Docherty a.k.a Tamara’s partner.
In season 4, Weisman is Russell Plum, who is a freelance journalist in Washington DC.
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Blucas will be introduced as Congressman John Sampson in season 4.
Robertson, meanwhile, has been cast as Elsbeth Sampson, who is John’s wife.
Armstrong will also be part of Reacher as a guest star playing Foster.
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This story was originally published August 13, 2026 at 6:16 AM.