Casting on the Marvel/Netflix series A.K.A. Jessica Jones continues, with Rachael Taylor now set as the title character’s best friend Trish Walker -- known as Hellcat in the comics.

Doctor Who Joins A.K.A. Jessica Jones

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Rachael Taylor will play Trish Walker, also known as Hellcat in the comics

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Taylor joins Krysten Ritter, who stars as Jessica Jones, as well as Mike Colter, who’ll play Luke Cage, and David Tennant, who fills the villainous shoes of Zebediah Killgrave, a.k.a. The Purple Man. Taylor has appeared in TV series including Crisis, Charlie's Angels, and Grey's Anatomy, as well as films such as Any Questions for Ben? and The Darkest Hour.Here’s the official word from Marvel and Netflix on how Trish Walker figures into the show:“After a tragic ending to her short-lived super hero stint, Jessica Jones is rebuilding her personal life and career as a detective who gets pulled into cases involving people with extraordinary abilities in New York City. Trish is a syndicated radio talk show host, former model and child TV star known to her adoring fans as ‘Patsy’ Walker. As Jessica Jones’ closest friend, Trish helps her embark on the most dangerous case of Jessica's career. The character of Patricia Walker has roots dating back to 1944 with her first appearance in MISS AMERICA MAGAZINE #2, and in the comics Walker donned the super hero identity of Hellcat in 1976.”This is interesting, because in Alias, the comic series where Jessica Jones debuted, Jessica’s best friend was Carol Danvers, best known these days as Captain Marvel. Of course, that character is getting her own movie in 2018, so perhaps Marvel wants to save Carol’s debut for the big screen.As for Trish/Patsy Walker, it remains to be seen whether or not she’ll don the Hellcat identity on the show at some point. A.K.A. Jessica Jones will have a 13-episode first season and will debut in 2015.What do you guys think about how this show is shaping up? Discuss in the comments! Marvel.com 's announcement has clarified that the character's full name in the show is Patricia “Trish” Walker rather than just Trish Walker. The comic book version of the character was also called Patricia Walker, with her nickname being "Patsy."“The character is a star and a powerhouse, and required an actress who is both,” said executive producer/showrunner Melissa Rosenberg. “Rachael is all that and more!”“Rachael's ability to embody a character that must balance both the darker and lighter elements of our series will provide a perfect emotional anchor for Jessica Jones,” said Jeph Loeb, executive producer/Marvel’s Head of Television. “Rachael blew us away with her grounded, humanizing take on Trish, adding yet another layer to the complex, emotional story we’re telling with this series.”

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