Jeremy Brett as Sherlock Holmes

Edward Hardwicke as Dr. John Watson

Jenny Seagrove as Mary Morstan

Ronald Lacey as Thaddeus und Bartholomew Sholto

John Thaw as Jonathan Small

Emrys James as Inspector Athelney Jones

Alf Joint as McMurdo

Kiran Shah as Tonga

Terence Skelton as Captain Morstan

Rosalie Williams as Mrs. Hudson

Robin Hunter as Major Sholto

William Ash as Jack Smith

Ishaq Bux as Lal Chowder

Derek Deadman as Williams

Marjorie Sudell as Mrs Bernstone

Gordon Gostelow as Sherman

Lila Kaye as Mrs Mordecai Smith

Courtney Roper-Knight as Wiggins

Tommy Wright as Boatyard Workman

Dave Atkins as Mordecai Smith

Badi Uzzaman as Kartar Singh

Renu Setna as Achmet

Ravinder Singh Reyett as Jagodish Singh