Inspector Calhoun
Det.Sgt. Rogers
Alex Campbell
Patricia Wilson
The "Man"
The "Woman"
Inspector Richardson
James Manfred O.BE.
P.C.W. Alice Marshall
Dr. Bacon
Stratton-Villiers, MI5
Platform Inspector
Lift Operator
Police Constable 1
Police Constable 2
Publican
Prostitute
Tunnel Worker