Back in August, Fox confirmed that their beloved seriesPrison Breakis coming back for a newevent series, with original starsWentworth MillerandDominic Purcellreturning as Michael Scofield and Lincoln Burrows. In January, Fox president Dana Walden teased that “some of the iconic characters” will be back, but he didn’t mention any specific characters that would return. Today,Deadlinereports thatSarah Wayne Callieshas signed on to return as Dr. Sara Tancredi, with other casting additions being finalized.

The site reveals thatRobert Knepper(T-Bag),Amaury Nolasco(Fernando) andRockmond Dunbar(C-Note) are finalizing their deals to return, but nothing is official quite yet. During the TCA winter tour in January, Dana Walden said the series is “a bit of a sequel,” taking place several years after the last season of the show.Prison Breakran for four seasons between 2005 and 2009, with the series concluding with the straight-to-video movie Prison Break: The Final Break, whereWentworth Miller’s Michael Scofield died of a brain tumor.

While details of Michael Scofield’s resurrection have not yet been revealed, series creatorPaul Scheuring, who left the show after its second season, reportedly pitched a “logical and believable explanation” of how Michael Scofield is still alive, which won’t completely ignore the Prison Break: The Final Break TV movie. As forSarah Wayne Callies' Dr. Sara Tancredi, she was also brought back from the dead during the series' original run. Her character’s decapitated head was shown in a box early on in the third season, but she ended up coming back for the fourth and final season.

This report reveals that Sara has been trying to move on with her life following Michael’s death, raising her and Michael’s child with her new husband, played byMark Feuerstein. After she learns that Michael may be alive, she teams up with Lincoln to plan the show’s biggest escape ever.Paul Scheuringis serving as writer, executive producer and showrunner of the event series, withNeal H. Moritz, Marty Adelstein andDawn Olmsteadreturning to executive produce. Production is scheduled to begin in Vancouver next month.

AfterPrison Breakwent off the air in 2009,Sarah Wayne Callieswent on to star in the hit AMCzombieseriesThe Walking Dead, portraying Lori Grimes throughout the first three seasons. She has also starred in feature films such asInto the Storm,Pay the GhostandThe Other Side of the Door, which opened in theaters last weekend. She currently stars in USA Network’s hit seriesColony, which has already been picked up for a second season. Her involvement withPrison Breakwon’t affect her work onColony, sincePrison Breakis alimited series. Are you excited to see Dr. Sara Tancredi return inPrison Break?