Rupert Penry-Jones
Richard Hanay
Lydia Leonard
Victoria Sinclair
David Haig
Sir George Sinclair
Patrick Malahide
Professor Fisher
Patrick Kennedy
Hellory Sinclair
Eddie Marsan
Scudder
Alex Jennings
Captain Kell
Steven Elder
Vicar / Wakeam
Werner Daehn
Ackerman
Peter Stark
Engel
Del Synnott
London Constable
Roger De Courcey
Ventriloquist
David Gallacher
Professor's Butler
James Bryce
Concierge
Stewart Preston
Waiter
Sandy Neilson
Old Man in Club
Barbara Downie
Woman on Stairs
Anna Guthrie
Maid
George Docherty
Train Policeman
Kathryn Howden
Landlady