![Who Done It?](https://image.tmdb.org/t/p/original//7mw3NmhuV2y6FDtD9ZAiGbYwnUm.jpg)
![Who Done It?](https://image.tmdb.org/t/p/w200//8dBdnDUkiSkXnVhVC9ZjDHv4Xd6.jpg)
Who Done It?
1 hour 25 minutes1956-03-20
5.2
Watch Trailer
This movie debut for saucy British TV comic Benny Hill has Benny leaving his job as a sweeper after winning some money. He becomes a private detective and investigates a plot to assassinate British scientists.
Cast
![Benny Hill](https://image.tmdb.org/t/p/w200//fLS2HnwCPdbRZiW86IlKWW2i44m.jpg)
Benny Hill
Hugo Dill
![Belinda Lee](https://image.tmdb.org/t/p/w200//dCOmpwhvekTcg2Iaoiv4mTAmaI7.jpg)
Belinda Lee
Frankie Mayne
![David Kossoff](https://image.tmdb.org/t/p/w200//xHhjvASCgqQPFCK2rGUbUJzx1e0.jpg)
David Kossoff
Zacco
![Garry Marsh](https://image.tmdb.org/t/p/w200//zJz144HUdUc4cVuQma5ql9SZFXX.jpg)
Garry Marsh
Det. Inp. Hancock
![Denis Shaw](/_next/static/media/notFound.aecd17f8.png)
Denis Shaw
Professor Stumpf
![Ernest Thesiger](https://image.tmdb.org/t/p/w200//A2s7OpB9zofxTdTdU76EpLgtTMm.jpg)
Ernest Thesiger
Sir Walter
![George Margo](/_next/static/media/notFound.aecd17f8.png)
George Margo
Barakov
![Frederick Schiller](https://image.tmdb.org/t/p/w200//q8qfy5my9voVFhrh42h2GoqrSaS.jpg)
Frederick Schiller
Gruber
![Thorley Walters](https://image.tmdb.org/t/p/w200//yBUOIfMR6NlVW8WSNHxLmjlnKTX.jpg)
Thorley Walters
Raymond Courtney
![Stratford Johns](https://image.tmdb.org/t/p/w200//ab1HO2yR8dY4tDNcqmR761jQtAR.jpg)
Stratford Johns
PC Coleman
![Warwick Ashton](/_next/static/media/notFound.aecd17f8.png)
Warwick Ashton
PC Roberts
![Norah Blaney](/_next/static/media/notFound.aecd17f8.png)
Norah Blaney
The Actress
![Charles Hawtrey](https://image.tmdb.org/t/p/w200//cGkwoBZn8B5Q4A13BW8Irn255OX.jpg)
Charles Hawtrey
Disc Jockey
![Nicholas Phipps](https://image.tmdb.org/t/p/w200//7bxt2lOLzBz4ixyDCaQtnBiHAjM.jpg)
Nicholas Phipps
Scientist
![Peter Bull](https://image.tmdb.org/t/p/w200//187FadUt4kYNbrRfWp1sHynmGWW.jpg)
Peter Bull
Scientist
![Gibb McLaughlin](https://image.tmdb.org/t/p/w200//mfEfFyjT50lXP0Tjb4z9maUV5bM.jpg)
Gibb McLaughlin
Scientist
![Ernest Jay](/_next/static/media/notFound.aecd17f8.png)
Ernest Jay
Scientist
![Harold Scott](/_next/static/media/notFound.aecd17f8.png)
Harold Scott
Scientist
![Terence Alexander](https://image.tmdb.org/t/p/w200//5bY3OFb8VpW7ccNn6Q47z84js5M.jpg)
Terence Alexander
Radio Show Official (uncredited)
![Irene Handl](https://image.tmdb.org/t/p/w200//34MBakVUAGJo7boUYeLmCNUZfkm.jpg)
Irene Handl
Customer (uncredited)
![Arthur Lowe](https://image.tmdb.org/t/p/w200//8QkpkLQvEnJQavSgZ4heaEujN0A.jpg)
Arthur Lowe
Shop demonstrator (uncredited)
![Glyn Houston](https://image.tmdb.org/t/p/w200//a2YvXWhfoKxkM9xzYMoyirsNylD.jpg)
Glyn Houston
Arresting Policeman (uncredited)
![Jeremy Hawk](https://image.tmdb.org/t/p/w200//gnIafyUbTkaZvxJRMcJUUqLZHYN.jpg)
Jeremy Hawk
Himself
![Philip Stainton](https://image.tmdb.org/t/p/w200//jNOclVJ1cmZQGSrcSVgHVNOm79S.jpg)