Chefinspektor Gideon

Jack Hawkins

Insp. George Gideon

Anna Lee

Mrs. Kate Gideon

Anna Massey

Sally Gideon

Andrew Ray

PC Simon Farnaby-Green

Dianne Foster

Joanna Delafield

Cyril Cusack

Herbert 'Birdie' Sparrow

James Hayter

Robert Mason

Derek Bond

Det. Sgt. Eric Kirby

Howard Marion-Crawford

The Chief

John Loder

Ponsford 'The Duke'

Barry Keegan

Riley

Frank Lawton

Det. Sgt. Liggot