Christian Roberts

as Boomer

as Self (archive footage) (1 episode)

as Doctor Prospero

as Bob Cheetham (1 episode)

as Young lecturer

as Frank Faith (1 episode)

as Dr. Renor (1 episode)

as Oberleutnant Horst (1 episode)

as Michael, Mr. Blake

as Joven

as Mark Lindley (1 episode)

as Andreas

as Albert

as Thomas Fleming

as Tim Redman (1 episode)

as Robert

as Adam Galt

as Philip Harvey

as Tom Taggart

as Denham

as Hakon (2 episodes)

as Huxton (1 episode)