Raymond Gérôme

~ as ~

Sherlock Holmes

André Haber

~ as ~

Watson

Christian Alers

~ as ~

Le docteur Mortimer

Jean-Pierre Gernez

~ as ~

Sir William Baskerville

Bernard Musson

~ as ~

Barrymore, le maître d'hôtel

Christiane Moinet

~ as ~

Eliza, la femme de Barrymore

Jean-Jacques Steen

~ as ~

Jones, le cocher de Londres

Robert Bazil

~ as ~

Billy, le second cocher

Pierre Hatet

~ as ~

Stapleton

Colette Teissèdre

~ as ~

Beryl