On screen
Cast
38 credited performers
Artwork unavailable
John Sharp
Kronk
Elizabeth Shepherd
Syrie Van Epp
Gary Cockrell
Phil Scrotty
Alan Curtis
DI Blood
William Maxwell
DS Hound
June Watson
Miss Dunner
Artwork unavailable
Tim Barrett
Christopher Vaughan
Clive Morton
Sir Wilfred Templar
Donald Webster
Weedy
Simon Prebble
Barrington-Pym
Windsor Davies
Sullavan
Artwork unavailable
Geoffrey Reed
Hard Man
Artwork unavailable
Keith Pyott
Bishop
Ingrid Hafner
Abigail Whitebait
Artwork unavailable
Kevin Brennan
Whitebait
Oliver Johnston
Samson Whitby
Aubrey Morris
Robag
Patrick Kavanagh
Major Ironside
Artwork unavailable
Robert McBain
Jolyon de Farge
Artwork unavailable
Ian Trigger
Nonesuch
Artwork unavailable
Ray Gatenby
Bo
Artwork unavailable
Sandra Downs
Mary Bone
Artwork unavailable
George Ghent
Removal Man
Artwork unavailable
Arthur Lester
Waiter
Betty McDowall
Beryl Kempsford
William Moore
Harold Lemming
Artwork unavailable
Margery Withers
Miss Winkle
Ivor Salter
Blinky
Marian Spencer
Helena of Morphania
Calvin Lockhart
Theobald Aboo
Roger Hammond
Ferdinand XVIII of Morphania
Nina Baden-Semper
Pearl
Pauline Collins
Syrie's Maid
Artwork unavailable
Peter Stephens
Head of Department One
Des Braiden
Head of Department Eight
Artwork unavailable
Peter Jesson
First Mr. Grimm
Artwork unavailable
Mark Hardy
Second Mr. Grimm
Malcolm Douglas
Assassin