Although the show focuses on its young cast, it doesn't delve too deeply into their backgrounds or any facts about them as the camera is more interested in as much drama as possible. The cast of ‘Siesta Key’ believe that Alex Kompothecras and Alyssa Salerno are a great match for each other — exclusive details Created by Mark Ford, Warren Skeels. Follows a group of young adults confronting issues of love, heartbreak, betrayal, and looming adulthood as they spend the summer together. Possible New Cast Members For S3 Here's a list of people that are definitely hanging with the cast right now and I think may be filming for the show in some capacity: Stephanie She's been hanging out with Kelsey, Juliette and Alex a lot. With Madisson Hausburg, Amanda Marie Miller, Garrett Miller, Kelsey Owens. They behave like old friends, perhaps assembling before a day on the beach or a night out at the nearby Beach Club. Alex’s father Gary— who is a producer on the show—… SIESTA KEY — On a sprawling couch in a Siesta Key mansion, eight young adults sit posing for photos, talking and laughing with one another. Nothing is off limits while they come of age, figuring out who they are and who they want to become. Read on to find out 10 hidden details about the cast of Siesta Key that everyone completely missed. 10 Madisson Didn't Know Alex And Juliette Were A Couple ‘Siesta Key’ cast members are reacted to MTV’s decision to fire star Alex Kompothecras over past racist tweets.