Ian McKellen
Anthony Skipling (60 eps)
James Bolam
Mark Omney (5 eps)
Michael Culver
Dr. Walcott Brown (5 eps)
Ian McShane
Curtis (4 eps)
John Bird
Cyril (4 eps)
John Shrapnel
Vincent Craig (4 eps)
Gerald Sim
Francis Durrant (4 eps)
Terence Rigby
Matthews (3 eps)
Malcolm Terris
Maxwell (3 eps)
Anton Phillips
Barman (3 eps)
Aimée Delamain
Mrs, Franklyn (2 eps)
Georgine Anderson
Mrs. Forde (2 eps)
Alan Ford
Bill (1 eps)
Prentis Hancock
2nd Interrogator (1 eps)
Patrick Malahide
Police Sergeant (1 eps)
Harry Fielder
Heavy at Rail Station (uncredited) (1 eps)
Christopher Benjamin
Det. Inspector Tarrant (1 eps)