Hector Ross

as Customer

as Marcus Gwill (1 episode)

as Doctor (1 episode)

as General Burgdorf

as Det. Supt. Turnbull (1 episode), as Supt. Miller (1 episode)

as Taper (13 episodes)

as George Simpson

as Styles

as Supt. Woods

as Roger Harding

as George Lennox (1 episode)

as Officer (uncredited)

as Sir Egbert (1 episode), as Baron Braynor (1 episode)

as Beroni

as Canning

as Inspector Greenway

as Inspector Greenaway

as Inspector Craddock

as Neville St. Clair

as Harold

as Glonallddale

as Don Brady