Calificación
Reparto

Hugh Williams
Dr. Thurlow

Chili Bouchier
Betty Trimmer

Garry Marsh
Dr. Mortimer

Reginald Purdell
Askew

James Stephenson
Inspector Clarke

Glen Alyn
Isabel Simmonds

John Carol
Merridew

Lesley Brook
Mary Cresswell

Robert Rendel
Dr. Fletcher

Aubrey Pollock
Dr. Cresswell