The Mistake

Rupert Davies

Chief Inspector Maigret

Ewen Solon

Lucas

Henry Oscar

Inspector Lognon

Helen Shingler

Madame Maigret

Neville Jason

Lapointe

Victor Lucas

Torrance

John Robinson

Professor Gouin

Eric Thompson

Pierre Eyraud

Roger Boston

Gendarme

Peggy Thorpe-Bates

Germaine Gouin

Annabel Maule

Dr. Lucile Decaux

Valerie White

Antoinette Ollevie

John Salew

Dr. Paul

Ilona Ference

Désirée Brault

Totti Truman Taylor

Madame Cornet

George Betton

Louis

Dennis Edwards

Dr. Lanvin

Kathleen Saintsbury

Sister

George Crowther

Old Man in Le Grelot

Alice Esmie-Bell

Old Lady in Library

Eugene Leahy

Old Man In Library