Elena (Yelena) Noelle Garcia portrayed by Bella Hadid
Age - 19 years old
Oscar Diaz portrayed by Julio Macias
Age - 20 years old
Jamal Turner portrayed by Brett Gray
Age - 14 years old
Cesar Diaz portrayed by Diego Tinoco
Age - 14 years old
Monse Finnie portrayed by Sierra Capri
Age - 14 years old
Ruby Martinez portrayed by Jason Genao
Age - 14 years old
Angelina Savannah Garcia portrayed by Jules Leblanc
Age - 14 years old
Sebastian Matteo Garcia portrayed by Nick Jonas
Age - 22 years old
Santigo Garcia portrayed by Skeet Ulrich
Age - 44 years old
Valentina Garcia portrayed by Natalie Portman
Age - 42 years old
Note -
I decided to put Oscars age at 20 since I believed it would fit best for the characters, I tried to look for his age in the show but wasn't able to find it.