as Self

as Mr. Brownlow

as Sam's Grandfather

as Mr. Wood

as Mr. Wickfield

as Heaviside

as Ludovico H. Holly

as Dr. Joseph

as Richard Bannerman

as Zachariah

as Jonathan

as Earl of Arundel

as Sir Arthur Conan Doyle

as Gov. John Bellingham

as Lord Stanley

as Warnie Lewis

as Dr. John Watson

as Dr. John Watson

as Patrick Siddons

as Dr. John Watson

as Tommy Bayne

as Approved School Principal

as Himself

as Henry Angkatell

as Dr. John Watson

as Dr. John Watson

as Kinloch

as Barry

as Marcus

as Dr. Pierre Dubois

as Guy Phillips

as Gavin Barlow

as Professor Proctor

as Peter Carmody

as Dr. John H. Watson

as Dr. Alan Lyle

as Brinson

as Paediatrician

as Peter Topglass

as Lord Dunning

as Dieter Stahl

as Enrico Fermi

as Christmas Humphries

as Mr. Girton

as Captain Paul Winter

as Marcus

as Biberstein

as Mr. Girton

as Clive

as Bellcourt

as Mike McCarthy

as Gareth

as Gifford

as Arthur

as Charles Harold Calthrop

as Gifford

as Capt. Pat Grant

as Dr. Paul Richards

as Stephen

as Mitchell

as Gareth

as Paediatrician

as Brinson

as Lambert

as Judas Iscariot

as Dr. Frank Yarrow

as Pierre Chandebisse, Victor's Nephew

as Morris Dixon

as Montano

as Judas

as Ulvik

as George - English Boy (uncredited)