Amy Robbins
as Professor Stephanie Morelle, Noah and Luke's mother
Carlos Esparza
as Luke Morelle
Marco Esparza
as Noah Morelle
Kazia Pelka
as Lena Winters, owner of World's End and Lexy's mother
Sophia Carr-Gomm
as Lexy Winters
Adam Astill
as Marcus Roberts, officer, and Gaia's dad
Pearl Appleby
as Gaia Roberts
Vahid Gold
as Adam Javadi Junior "AJ"
Sam Glen
as Lars "Slim" Butt
Jade Johnson
as Cat Sharpe
Andonis Anthony
as Adam Javadi Senior, AJ's dad/fitness instructor
Paul Warriner
as Duncan Morelle