Professor Marcus
Claude, alias 'Major Courtney'
Louis, alias 'Mr. Harvey'
Harry, alias 'Mr. Robinson'
'One-Round', alias 'Mr. Lawson'
Mrs. Wilberforce
The Superintendent
The Sergeant
The Barrow Boy
Large Lady (uncredited)
Hypatia (uncredited)
Cab Driver (uncredited)
Burglar (uncredited)
Parcels Clerk (uncredited)
Junk Man (uncredited)
Miss Pringle (uncredited)
Security Van Driver (uncredited)
Station Master (uncredited)
Security Guard (uncredited)
Second Cab Driver (uncredited)
Lettice (uncredited)
Detective (uncredited)
(uncredited)
Constable (uncredited)
Radio Car Policeman (uncredited)
Nervous Man (uncredited)
Pavement Artist (uncredited)
Detective at Parcels Office (uncredited)
Policeman (uncredited)
Constance (uncredited)