Guest Stars Louis Mahoney as Guard Edward Brayshaw as Vernon Brooks Earl Cameron as Darcy Paul Danquah as James Owen Errol John as Dessiles Janet Hargreaves as Eirlys Brooks Clifton Jones as Lieut. Labaste Margaret Nolan as Mrs. Elliot Moira Redmond as Nicola Tarasova Pearl Prescod as Madame Celeste Christopher Carlos as Victor N'Dias Joseph Layode as Archivist Robert Dean as David Elliot Boscoe Holder as Nero
