Elenco - A Question of Attribution
James Fox
Sir Anthony Blunt
Prunella Scales
H.M.Q.
Geoffrey Palmer
Donleavy
David Calder
Chubb
Ann Beach
Mrs. Chubb
John Cater
Restorer (Robertson)
Edward de Souza
Collins
Jason Flemyng
Colin
Gregory Floy
Radiologist
Barbara Hicks
Lady at National Gallery
Anne Jameson
Blunt's SecretaryMark Payton
Phillips
Julia St. John
Receptionist
Richard Bebb
Consultant