Jens / Alf-Tore / Hjernekjell (voice)
Lisa (voice)
Simen Sprut (voice)
Cumilla (voice)
Jizzmo (voice)
Prof. Saltsmak (voice)
Egon Olsæd (voice)
Benner'n / Bjell (voice)
Gynekologen (voice)
Hjernekjell (voice)
Bollsæd (voice)
Hjerniffer (voice)
Hjernia / Mor (voice)
Far (voice)
E-Coli Troll (voice)
Bobby / Sykepleier (voice)
Herr Sædberg (voice)
Ruth-Elizabeth (voice)
Maja (voice)
E.Colli (stemme)
Far (stemme)