Cast[]
- Hellboy as The Cat in the Hat
- Liz Sherman as Sarah Hall-Small
- Abe Sapien as King Derwin
- Angel of Death as Pam-I-Am
- Chamberlain as Sam-I-Am
- Johann Krauss as Norval the Fish
- Prince Nuada as The Grinch
- Princess Nuala as Jane Kangaroo
- Tom Manning as Thidwick the Moose
- Trevor Bruttenholm as Joey
- Mr. Wink as Conrad
- Cathedral Head as Mack the Turtle
- Fragglewump as Vlad Vladikoff
- Cronie Troll as Alvin the Alien
- King Balor as Horton the Elephant