Brianne Siddall
Thunder / Dylan (voice)
Acting
Shanelle Gray
Maggie (voice)
Acting
Robin Atkin Downes
Jack / Carlo (voice)
Acting
Doug Stone
Mr. Lawrence (voice)
Acting
Grant George
Daniel (voice)
Acting
Joey Camen
Chihuahua (voice)
Acting
Elisa Gabrielli
Carla (voice)
Acting
Cinda Adams
Nurse Baxter (voice)
Acting
Sage Sommer
Izzy (voice)
Acting
Kyle Hebert
Mark Matthews (voice)
Acting
Bill Parks
Mike Matthews (voice)
Acting
Ella Rouhier
Hospital children (voice)
Acting
Noah Ray Strauss
Hospital children (voice)
Acting
Isabella Tatone
Hospital children (voice)
Acting
Keegan Thomas
Hospital children (voice)
Acting
Jim Ward
Reggie (voice)
Acting
Susanne Blakeslee
Audrey (voice)
Acting
Roxanne Reese
Lasondra (voice)
Acting
Joe Ochman
Mr. Eames (voice)
Acting
Grey DeLisle
Mrs. Eames (voice)
Acting
Lani Minella
Old Lady (voice)
Acting
Frank Welker
Cat sounds (archive footage; uncredited)
Acting