Melissa Joan Hart

Sabrina Spellman

Tara Strong

Gwen

Scott Michaelson

Barnaby

Lindsay Sloane

Fin

Nick Bakay

Salem Saberhagen (voice)

Peter O'Brien

Dr. Julian Martin

Rebecca Gibney

Hilary Hexton, the Cat & Woman

Conrad Coleby

Jerome Hestor

Steve Harman

Dr. Martin's Assistant