Aly Michalka -- star of The CW drama Hellcats -- is returning to the CW, joining the cast of the DC/Vertigo Comics adaptation iZombie , as the best friend to the brain-indulging Liv (Rose McIver).

Aly Michalka in Hellcats.

According to TVLine , Michalka is replacing Last Man Standing's Alexandra Krosney in the recurring role of Peyton Charles.Apart from starring on Hellcats, Michalka has made TV guest-appearances on series like Breaking In, Two and a Half Men and Anger Management.The recasting of Peyton isn't out of the ordinary, as roles are recast all the time when comparing a series' original pilot and its eventual final product. A famous example is the case of Rachel Dratch (Saturday Night Live), who was originally cast as Jenna Maroney on 30 Rock.Check out what iZombie star Rose McIver and executive producers Rob Thomas and Diane Ruggiero-Wright (both of Veronica Mars) told us about the series at Comic-Con:iZombie premieres mid-season on The CW.

Anthony Couto is a writer for IGN. He’d like to know why Bruce Wayne is dressed as Batman. Ponder with him on Twitter ator on IGN at