Gerard Plunkett

as Rick Davis

as Leland

as Older Gentleman/Narrator

as Doctor Harlow (voice)

as Edward Irons

as Charles Potter

as Howard

(4 episodes) as Reverend Stewart

as King Richard

as Sir Ian

as Professor Myles Fowler

as Ben

(2 episodes) as Ted Bishop

(1 episode) as Reverend Parsons

as Raymond

(1 episode) as Leyland Eaton

as Richard Blackwell

as Prelate

as Mr. Whittaker

as Hank Catenhauser

as Bob Sterling

as Stepfather

as Jacques

as Isaacs - MI6 Officer

(2 episodes) as Terence Young

(1 episode) as Dr. Wolfram

(4 episodes) as Senator James Van Horn

(1 episode) as Fordis

as Engelan

as Paul

as Dr. Andy Harrison

as Dr. Hauser (as Gerrard Plunkett)

(1 episode) as Dr. Elliot

as Herbie

as Mr. W (voice)

(1 episode) as Plutus

as Turaga Dume (voice)

as Dr. Raymond Ardmore

as Pontius Pilate (voice)

(1 episode) as Dr. Lawrence

as Rod Poker

as Miles Davenport (segment 'Room Service')

as High Roller

(2 episodes) as Dr. Donovan Jamison

as Griffin Brockman

as Oak Tree (voice)

as Trevor Hayes

as Technician

(27 episodes) as Commissioner Radcliffe (voice)

(3 episodes) as Bloodmist

(1 episode) as Dr. Connell

as Graham

as Dr. Sarkisian

as Spinworthy

as Dr. Leo Sardis

(1 episode) as (voice)

as Marcus

as Sir Robert McKintyre

(91 episodes)

as Diamond Merchant

as Sklar

(3 episodes) as High Councilor Tuplo

(42 episodes) as Scarab - Harris Stone - Mr. Stone (voix)

(2 episodes) as 4. Offizier Joseph G. Boxhall

(1 episode) as Adam Latham

as (voice)

as (voice)

(1 episode) as Gideon

(1 episode) as Admiral Birch

(1 episode) as George

(1 episode) as Father Jerry

(1 episode) as Driver

(13 episodes) as Klaus Schmendrick (voice)

as (voice)

as (voice)

(1 episode) as Jules Morak

(1 episode) as Dieter Imhoff

(1 episode) as Dr. Calderon

(1 episode) as James Bailey

(1 episode) as Roland Kantos