Prison Break adds original cast member Sarah Wayne Callies | EW.com

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Sarah Wayne Callies returning for Prison Break event series

(Greg Gayne/FOX)

Another original Prison Break cast member has been locked up for the relaunch.

Fox announced on Friday that Sarah Wayne Callies will return as Dr. Sara Tancredi in the limited series, which was given a green light by the network in January. Callies, who stars in USA’s Colony and is a former cast member of The Walking Dead, will reunite with cast members Wentworth Miller (who stars as Michael Scofield) and Dominic Purcell (Michael’s brother, Lincoln), who were previously announced as returning.

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Thought Michael was dead? You thought wrong. The action resumes after his death, and Sara — another character who was once was believed to be deceased — is raising their child with her new husband (Royal Pains’ Mark Feuerstein). “When clues surface suggesting that Michael may be alive, Sara teams with Lincoln to engineer the series’ biggest escape ever,” according to the network.

The new season of Prison Break features the return of the showrunner/exec producer Paul T. Scheuring, along with exec producers Neal Moritz, Marty Adelstein, and Dawn Olmstead.

Launching in 2005, Prison Break focused on the struggles of gifted structural engineer Michael Scofield to free his brother from death row — after he was (wrongly) convicted for murdering the brother of the Vice President of the United States — by staging an intricate jail break. The series finale aired in May 2009.

Back in January, Fox co-chairman and CEO Gary Newman told reporters at the TCA Winter Press Tour: “We all who watched the show and loved it thought that Michael had died. Paul Scheuring came in with a great twist that explains that he didn’t die, and what he’s been doing in the interim.” (It was not clear how Michael’s brain tumor will be handled.) Fox co-chairman and CEO Dana Walden added that “the story unravels on an international landscape, it’s not a domestic show… We open on a very international, contemporary feeling story.”