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Luke Perry was offered to reprise his role as Dylan McKay, but had to back out due to his commitment to Riverdale (2017). However, he was willing to do as many guest appearances as he could. Sadly, Perry never got the chance, he passed away in March 2019.

The seven stars have a base salary of $70,000 per episode, although there are some variances. Jennie Garth and Tori Spelling come out with the biggest pay day, an additional $15,000 per episode, upping their totals to $85,000, due to their roles as co-creators of the reboot. Jason Priestley earned himself an extra $46,000 - the minimum rate for primetime directing - for his role behind the scenes on an episode. That leaves Gabrielle Carteris, Shannen Doherty, Ian Ziering and Brian Austin Green taking in the standard $70,000 per episode or $420,000 over the mini-series' run.

Shannen Doherty was originally not going to be in the reboot. She later accepted as a tribute to Luke Perry.

In December 2013, Ian Ziering stated that he had attempted to sell a "loosely scripted" reunion special in which the original cast members appeared as themselves at a dinner party at his house, with a target air date of 9/02/10 to commemorate the zip code in show's title. However, he failed to find a network interested in buying the project.

The syndicated version of the theme song to the original Beverly Hills, 90210 (1990) was reused, and edited from one minute to 55 seconds. This is a rarity, as not only are reboot themes typically altered to a more upbeat tempo for the new generation, but theme songs in general are kept to a minimum of less than 30 seconds, or a five-second instrumental accompanied by title card, in an effort to cash in on commercial advertisements.