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)

Editing

Production

Directing

Writing

Camera

Writing

Costume & Make-Up

Art

Camera

Costume & Make-Up

Crew

Costume & Make-Up

Camera

Art

Crew

Editing

Crew

Sound

Production

Editing

Art

Costume & Make-Up

Production

Production

Camera

Art

Art

Sound

Directing

Writing

Directing

Sound

Editing

Sound

Sound