Rose McIver (Liv), David Anders (Blaine), and Chilton Crane (Mrs. Oberman) all previously appeared on Once Upon a Time (2011).
Nathan Barrett, who plays Tanner, previously appeared in episode 2.4, Even Cowgirls Get the Black and Blues (2015), as a drug dealer.
Eddie Jemison (Stacey Boss) also appeared in the movie Veronica Mars (2014). Rob Thomas created both iZombie and Veronica Mars (2004).
After iZombie, Rose McIver (Liv) would go on to play another character haunted by ghosts in Ghosts (2021) (CBS), in which she plays a character who suffers a near-death experience that leaves her able to see and hear ghosts everywhere she goes.