EDITED
Madeleine McGraw as Lillian Forbes-Saltzman-Salvatore
The adopted child
"I'm tired of being outcasted by my older sisters" "Mike, Riley please. Just help me find my birth family"
Dylan Kingwell as Jacob Goode
The biological brother
"We didn't know. We assumed dad kept you after the divorce."
Jayden Bartels as Isabella Goode
The biological sister
"Stay with us. I promise no one will hurt you again"
Walker Scobell as Michael Henderson
The boy best friend
"Why would you adopt a child if you were just going to ignore them"
Chiara Aurelia as Riley Fraser
The girl best friend
"Rose why do you find it hard to believe that we care about you
Legacies cast as themselves
Lillian age 8
Riley age 12: