Mention is made of James Doohan Elementary [school]. James Doohan played Montgomery "Scotty" Scott on the original Star Trek (1966) series and died of Alzheimer's.
Daran Norris (Johnny Frost) was a regular on Veronica Mars (2004) & appeared in a Party Down (2009) episode, Investors Dinner (2009), as Tony Carolla. Rob Thomas created both Veronica Mars and Party Down, as well as iZombie.
Jason Dohring (Chase Graves) & Daran Norris (Johnny Frost) also worked together on Veronica Mars (2004) and Veronica Mars (2014).
Nathan Barrett, who plays Tanner, previously appeared in episode 2.4, Even Cowgirls Get the Black and Blues (2015), as a drug dealer.