Characters played by Alexis Smith
Marian Halcombe
Characters played by Eleanor Parker
Laura Fairlie
Ann Catherick
Characters played by Sydney Greenstreet
Count Alessandro Fosco
Characters played by Gig Young
Walter Hartright
Characters played by Agnes Moorehead
Countess Fosco
Characters played by John Abbott
Frederick Fairlie
Characters played by John Emery
Sir Percival Glyde
Characters played by Curt Bois
Louis
Characters played by Emma Dunn
Mrs. Vesey
Characters played by Matthew Boulton
Dr. Nevin
Characters played by Anita Sharp-Bolster
Mrs. Todd
Characters played by Clifford Brooke
Jepson
Characters played by Barry Bernard
Dimmock