Joey King as Tessa

Kyle Allen as Skylar

Kim Dickens as Vickie

John Ortiz as Mel

Celeste O'Connor as Shannon

Donna Biscoe as Doris

April Parker Jones as Jazz

Leander Suleiman as Dr. Rita Sarkisian

Jeffrey Vincent Parise as Julian

Diany Rodriguez as Ms. Duffy

Curt Cloninger as Sherman

Drake Rodger as Judd

Nicholas Stargel as Cortez

Brooke Jaye Taylor as Leigh

Jadon Cal as Billy

Becki Hayes as Monitor

Millie Rose Evans as Nurse

Christian Adam as Nerdy Kid

Esmond C. Pickett as Garden Orderly

Anna Stadler as Regatta Attendee (uncredited)