Director

James Hill

Producer

Michael Klinger, Henry E. Lester, Sam Waynberg

Executive Producer

Herman Cohen

Screenplay

Donald Ford, Derek Ford

Characters

Arthur Conan Doyle

Original Music Composer

John Scott

Director of Photography

Desmond Dickinson

Editor

Henry Richardson

Casting

Maude Spector

Production Design

Alex Vetchinsky

Costume Design

Sophie Devine

Makeup Artist

Tom Smith

Camera Operator

Norman Jones