Actress Grace Park has booked her first series regular role on TV since quitting CBS' 'Hawaii Five-0' last year over a salary dispute. According to The Hollywood Reporter, Park has joined the cast of ABC's upcoming drama 'A Million Little Things' in a recasting. The hourlong dramedy revolves around a close group of friends who are struck by tragedy when one of them dies unexpectedly. The rest then take it as a wake-up call to finally start living. In the show, Park will play Katherine, a working mother and lone breadwinner in her family.