Calificación
Reparto

Alastair Sim
Dr. Knox

George Cole
Dr. Walter Anderson

Adrienne Corri
Mary Paterson

Jill Bennett
Mary Belle

Margaret Gordon
Amelia

Diarmuid Kelly
Burke

Michael Ripper
Hare

Peter Halliday
Adolphus Raby

Frank Taylor
Paterson

Jefferson Clifford
Nebby

Doria Noar
Janet

Irene Sunters
Jessie Ann