Mr. Myers

Alban Blakelock

Walker

Stafford Byrne

Sir Wilfrid Robarts

Derek Elphinstone

Romaine Heilger

Mary Kerridge

Leonard Vole

Dale Rogers

Robert Mayherne

John Salew

Miss French

Hilda Terriss

Director

John Glyn-Jones

Story

Agatha Christie

Adaptation

Sidney Budd