Patrick Wymark (inspektor Holoway), Margaret Johnston (pani Von Sturmová), John Standing (Mark Von Sturm), Alexander Knox (Frank Saville), Judy Huxtable (Louise Savilleová), Don Borisenko (Donald Loftis), Thorley Walters (Martin Roth), Robert Crewdson (Victor Ledoux), Colin Gordon (Dr. Glyn), Tim Barrett (Morgan), Frank Forsyth (Tucker), Olive Gregg (Mary), Harold Lang (Briggs), Gina Gianelli (Gina), Peter Diamond (muž s krámy), John Harvey (Reinhardt Klermer), Greta Farrer (kuřačka), Juba Kennerley |