Gunnar Sjöberg

as Doktor Henck

as Francesco Felici

as Dr. Boekman

as Johan

as Karl-Evert Raeder

as Marquis Giuseppe Maria de Macopanza

as Leonard Brett

as Dr. Nordlander

as Fabian

as Doctor

as sergeant

as Self

as Alman

as Narrator (voice)

as Narrator (voice)

as Bernhard Svanström

as Hjalmar "Hjalle" Ek

as Johan III

as Narrator

as Gustaf De Laval