

Who was that lady I saw you outwit last night? That was no lady … That was ‘Mum’ Wilberforce, …
Five oddball criminals planning a bank robbery rent rooms on a cul-de-sac from an octogenarian widow under the pretext that they are classical musicians.

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)