Given how Jack Reacher bids farewell to Dixon in Reacher season 2’s ending moments, the Amazon show’s third installment will likely introduce a new romantic interest for the character who will be Roscoe’s next replacement. Adapted from Lee Child’s Jack Reacher books, Amazon’s Reacher closely follows the stories presented in its source material. Owing to this, since Jack Reacher avoids committing to long-term relationships in the books, the show introduces a new love interest for him in every new season.

Since this approach allows the series to be loyal to the original books, it perfectly captures how Lee Child intends to portray Jack Reacher’s transient lifestyle. However, it has a minor drawback: beloved characters like Roscoe Conklin are often written out only after one season. Despite the downside, it seems unlikely that Reacher season 3 will mark Roscoe’s return. But, as Lee Child’s Persuader suggests, season 3 will feature her new replacement.

Sarah Duffy (Based On Susan Duffy) Will Take The Roscoe Role In Reacher Season 3

Lee Child’s Persuader Confirms Duffy As Roscoe’s Replacement

Alan Ritchson as Jack Reacher and Willa Fitzgerald as Roscoe in Amazon's Reacher alan-ritchson-as-jack-reacher-and-willa-fitzgerald-as-roscoe-in-reacher Willa Fitzgerald as Roscoe smiling sweetly at Reacher and Roscoe sitting next to each other in Reacher Exclusive header Feature image of Reacher and Roscoe Alan Ritchson as Jack Reacher looking menacing and Willa Fitzgerald as Roscoe behind him in Reacher.

In Lee Child’s Persuader, a character named Susan Duffy is introduced as Lee Child’s new accomplice. She is a U.S. Drug Enforcement Agency agent who, like Roscoe, initially helps Jack Reacher get to the bottom of the novel’s central criminal operation. She is portrayed as a resourceful and competent ally, much like Roscoe, whose unique set of skills as a DEA Agent complement Reacher’s. As the story progresses, she also gets romantically involved with Jack Reacher before the character’s mission ends, and he chooses to leave town and embrace the open road again.

Reacher season 3’s story updates confirm that the show will feature its own version of Susan Duffy, albeit with a few minor changes. According to reports, the character’s first name has been changed to Sarah in the Amazon series, but she will likely share many similarities with the original character from the book. The Amazon show’s casting details also reveal that Sonya Cassidy (of The Last Kingdom and Lodge 49 fame) will portray Sarah Duffy in Reacher season 3, making her Willa Fitzgerald and Serinda Swan’s replacement.

Roscoe Can Still Return, Even If Reacher Season 3 Has A Replacement

The Show Hasn’t Shied Away From Changing Its Source Material’s Story

Jack Reacher and Roscoe as seen in Reacher season 1

Roscoe does not return in Lee Child’s Persuader, but Amazon’s Reacher could drift away from the source and feature her in some capacity. Although Reacher seasons 1 and 2 have been loyal to the original books, they did not shy away from introducing some major changes. For instance, in the books, Jack Reacher does not cross paths with Oscar Finlay after teaming up with him in Lee Child’s Killing Floor. However, Reacher season 2 ignored this detail from its source material and featured a brief Finlay and Reacher reunion in one of its episodes.

…given how Reacher season 2 got away with the Finlay cameo, it is hard not to believe that season 3 can pull off something similar with Roscoe’s return.

While Willa Fitzgeral’s return as Roscoe still seems unlikely, she might get similar treatment in Reacher season 3. Major deviations from the original books could significantly ruin the series if not executed well. However, given how Reacher season 2 got away with the Finlay cameo, it is hard not to believe that season 3 can pull off something similar with Roscoe’s return.