Margaret Rutherford as Miss Jane Marple

Ron Moody as H. Driffold Cosgood

Charles Tingwell as Inspector Craddock

Andrew Cruickshank as Justice Crosby

Megs Jenkins as Gladys Thomas

Ralph Michael as Ralph Summers

James Bolam as Bill Hanson

Stringer Davis as Jim Stringer

Francesca Annis as Sheila Upward

Pauline Jameson as Maureen Summers

Annette Kerr as Dorothy

Alison Seebohm as Eva McGonigall

Windsor Davies as Sergeant Brick

Neil Stacy as Arthur

Maurice Good as George Rowton

Stella Tanner as Florrie Harris

Dennis Price as Harris Tumbrill

Terry Scott as Police Constable Wells