Helmuth Rudolph

as Mr. Johnson

as Fürst Ludwig

as Sir George Learoyd

as Inspektor Dallmüller (8 episodes)

as Gérard Lemonnier

as Oberst von Flumms

as Rechtsanwalt Dr. Klein (1 episode), as Hans Obermayer (1 episode)

as Raffiot

as Polizeikommissar

as Headmaster

as William Marshall

as Self

as Mario de Santis

as Direktor

as Dr. Sheldon (6 episodes)

as Präsident Delegorgue

as Baron von Lieven

as Egeus

as Escalus

as Hofrat Seibold

as Wildschwein

as Helmer

as Edward Halliday

as Generalkonsul