Francis Durbridge

Harald Leipnitz

Scotland-Yard-Inspektor Harry Dawson

Uschi Glas

Judy Black

Herbert Fleischmann

Chefinspektor Yardley

Walter Kohut

Nat Fletcher

Rosemarie Fendel

Mary Rogers

Michael Hinz

Hubert Rogers

Wolfgang Kieling

Heaton

Margot Hielscher

Sybill Conway

Karl-Heinz Vosgerau

Arnold Conway

Beatrice Richter

Linda Wade