Matt Frewer as Sherlock Holmes

Kenneth Welsh as Dr. Watson

Sophie Lorain as Miss Morstan

Marcel Jeannin as Thaddeus / Bartholomew

Michel Perron as Inspector Jones

Edward Yankie as John Small

Kevin Woodhouse as Williams

Cas Anvar as Sikh #1

Samir Mallal as Sikh #2

Ganesha Rasiah as Sikh #3

Johni Keyworth as Major Sholto

Kathleen McAuliffe as Mrs. Hudson

Fernando Chien as Tonga

Una Kay as Mrs. Bernstone

Chimwemwe Miller as Achmet

Daniel Brochu as Wiggins

Dennis St John as Sherman

Emma Stevens as Mrs. Smith

Noel Burton as Professor Morgan

Kenneth Fernandez as Khitmutgar

Justin Bradley as Captain's Son

Pascal Richard as Policeman #1

Denis Franc as Policeman #2

Pierre-Xavier Martel as Thaddeus