 Brianne SiddallThunder / Dylan (voice) | Thunder / Dylan (voice) |
 Robin Atkin DownesCarlo / Jack / Zoltar (voice) | Carlo / Jack / Zoltar (voice) |
 Cinda AdamsNurse Baxter (voice) | Nurse Baxter (voice) |
| SSage SommerIzzy (voice) | Izzy (voice) |
 Shanelle GrayMaggie (voice) | Maggie (voice) |
 Doug StoneMr. Lawrence (voice) | Mr. Lawrence (voice) |
 Grant GeorgeDaniel (voice) | Daniel (voice) |
 Joey CamenChihuahua (voice) | Chihuahua (voice) |
 Elisa GabrielliCarla (voice) | Carla (voice) |
 Kyle HebertMark Matthews (voice) | Mark Matthews (voice) |
 Ella RouhierHospital children (voice) | Hospital children (voice) |
| NNoah Ray StraussHospital children (voice) | Hospital children (voice) |
| IIsabella TatoneHospital children (voice) | Hospital children (voice) |
| KKeegan ThomasHospital children (voice) | Hospital children (voice) |
 Joe OchmanMr. Eames (voice) | Mr. Eames (voice) |
 Lani MinellaOld Lady (voice) | Old Lady (voice) |
 Grey DeLisleMrs. Eames (voice) (as Mille Mup) | Mrs. Eames (voice) (as Mille Mup) |
 Jim WardReggie Willis (voice) (as Joseph W. Terry) | Reggie Willis (voice) (as Joseph W. Terry) |
 Susanne BlakesleeAudrey (voice) (as Nina Grillo) | Audrey (voice) (as Nina Grillo) |
 Roxanne ReeseLasondra (voice) (as Kendra Leif) | Lasondra (voice) (as Kendra Leif) |
 Bill ParksMike Matthews (voice) | Mike Matthews (voice) |
