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 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.