"I suppose I should be glad my suspects haven't been reduced any further."

"[dictating his report In view of my failure — correction, comparative failure — I feel that I have no alt…"

"Sally Gray — Nurse Frederica "Freddi" Linley"

"Trevor Howard — Dr. Barney Barnes"

"Rosamund John — Nurse Esther Sanson"

"Alastair Sim — Inspector Cockrill"

"Leo Genn — Mr. Eden"

"Judy Campbell — Sister Marion Bates"

"Moore Marriott — Joseph Higgins"

"Henry Edwards — Mr. Purdy"