Louis Hayward

as Millotson (1 episode)

as Tim Fowley

as Dr. Stephen Brigham (segment "Certain Shadows on the Wall") (1 episode)

as Louis Hayward

as Jonathan Carlyle (14 episodes)

as Mike Culligan

as Major Benson

as John Tasker

as Stacy Blackwell (1 episode)

as David Wilcox (1 episode)

as Basil Hallward

as John Bollinger (1 episode)

as Ashley Cowan (1 episode)

as John Tasker (1 episode)

as Morey Bernstein

as Randy Townsend (1 episode)

as Michael Lanyard (40 episodes)

as Edward 'Romeo' Harper

as Denham

as Simon Templar

as Captain Peter Blood

as D'Artagnan

as Edward Jekyll / Dr. Henry Jekyll / Mr. Hyde

as Stephen Morley (1 episode)