 Sidney JamesGladstone Screwer | Gladstone Screwer |
 Kenneth WilliamsDr. Frederick Carver | Dr. Frederick Carver |
 Charles HawtreyDr. Ernest Stoppidge | Dr. Ernest Stoppidge |
 Jim DaleDr. Jimmy Nookey | Dr. Jimmy Nookey |
 Joan SimsMrs. Ellen Moore | Mrs. Ellen Moore |
 Barbara WindsorGoldie Locks | Goldie Locks |
 Hattie JacquesMiss Soaper, the Matron | Miss Soaper, the Matron |
| PPatsy RowlandsMiss Fosdick | Miss Fosdick |
 Peter ButterworthShuffling Patient | Shuffling Patient |
 Elizabeth KnightNurse Willing | Nurse Willing |
 Alexandra DaneStout Woman | Stout Woman |
 Peter GilmoreHenry | Henry |
 Pat CoombsNew Matron | New Matron |
 Patricia HayesMrs. Beasley | Mrs. Beasley |
 William MervynLord Paragon | Lord Paragon |
 Lucy GriffithsOld Lady in Headphones | Old Lady in Headphones |
 Harry LockePorter | Porter |
| GGwendolyn WattsNight Sister | Night Sister |
 Valerie LeonDeirdre Filkington-Battermore | Deirdre Filkington-Battermore |
| FFrank SinguineauNative Porter | Native Porter |
 Valerie Van OstOut-Patients Sister | Out-Patients Sister |
| BBilly CorneliusPatient in Plaster | Patient in Plaster |
| SSimon CainX-Ray Man | X-Ray Man |
| EElspeth MarchHospital Board Member | Hospital Board Member |
| VValerie ShuteNurse | Nurse |
 Ann LancasterMiss Armitage | Miss Armitage |
| LLewis AlexanderMan Dancing at Party (uncredited) | Man Dancing at Party (uncredited) |
| JJack ArrowOutpatient (uncredited) | Outpatient (uncredited) |
| RRichard AthertonMan at Dance (uncredited) | Man at Dance (uncredited) |
| FFrances BakerFat Lady (uncredited) | Fat Lady (uncredited) |
