The Sign of Four

Desmond Davis

Director

Ian Richardson

Sherlock Holmes

David Healy

Dr. John Watson

Thorley Walters

Major John Sholto

Michael O'Hagan

Mordecai Smith

Cherie Lunghi

Mary Morstan

Joe Melia

Jonathan Small

Terence Rigby

Inspector Layton

Clive Merrison

Bartholomew Sholto

Richard Heffer

Thaddeus Sholto

John Benfield

McMurdo