Week after week the cast of Marvel’s ‘A.K.A. Jessica Jones’ just seems to get better and better. Following this week’s confirmation that David Tennant will be joining the new series, it has also been confirmed that ‘Grey’s Anatomy’ star, Rachael Taylor, will also be coming onboard for season one.

In Jessica Jones Rachael Taylor will take on the role of Jones’ confidant and best friend, Trish Walker. Taylor’s character is a radio talk-show host, a former model and former child TV star. Even though she is an accomplished media-personality, her real passion lies dormant during the day, as Patricia Walker is also the superhero Hellcat.

Joining Taylor and Ritter on the series will be Mike Colter, or as he also known; Luke Cage. Netflix has ordered the 13 episodes of the show, which is scheduled to premiere after the debut of ‘Daredevil,’ the first of several planned Marvel series to hit Netflix over the next few years.

“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,” executive producer Jeph Loeb says. “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.”

The news of Tennant’s casting came just this week, in a surprise announcement on Marvel’s official website. He will co-star in the new Marvel series, he will star as a villain named Kilgrave. “Anyone familiar with David’s work knows he brings an incredible level of dedication to any role he inhabits, a level we knew we would need from the man playing Kilgrave,” said Jeph Loeb, Executive Producer/Marvel’s Head of Television. “While most know him for his roles as a hero, we can’t wait to unleash a whole new side of this talented actor.” The series was developed by Executive Producer, and acting Showrunner, Melissa Rosenberg. Jessica Jones was once a super-hero, but unfortunate circumstances forced her to quit that life and take up a new one. She now works as a Private Detective that helps still-working superheroes catch their villains and solve their crimes.

More casting decisions are expected to be announced over the next few months, the additions of Tennant and Taylor should come as a welcomed surprise for fans that are eager to see the series come to life on Netflix.