as Charles Harold Calthrop
as Sam's Grandfather
as Earl of Arundel
as Dr. Pierre Dubois
as Mr. Wood
as Dieter Stahl
as Mr. Brownlow
as Lord Stanley
as Heaviside
as Lord Dunning
as Dr. John Watson
as Gov. John Bellingham
as Approved School Principal
as George - English Boy (uncredited)
as Montano
as Sir Arthur Conan Doyle
as Zachariah
as Dr. Joseph
as Mr. Wickfield
as Marcus
as Dr. Frank Yarrow
as Lambert
as Mitchell
as Mike McCarthy
as Jonathan
as Pierre Chandebisse, Victor's Nephew
as Warnie Lewis
as Brinson
as Ludovico H. Holly
as Paediatrician
as Richard Bannerman
as Captain Paul Winter
as Ulvik
as Morris Dixon
as Mr. Girton
as Clive
as Professor Proctor
as Dr. Alan Lyle
as Gareth
as Gifford
as Patrick Siddons
as Tommy Bayne
as Dr. Paul Richards
as Henry Angkatell
as Kinloch
as Judas
as Capt. Pat Grant
as Dr. John H. Watson
as Bellcourt
as Gavin Barlow
as Biberstein
as Guy Phillips
as Christmas Humphries
as Enrico Fermi
as Arthur
