Liam Redmond ( Liam Redmond )

Cmdr. Robert Brennan

André Morell ( André Morell )

Supt. Folland

Kenneth Griffith ( Kenneth Griffith )

Jimmy Ellis

Anthony Bushell ( Anthony Bushell )

Maj. Elliott

Mary Morris ( Mary Morris )

Anna Braun

Joan Hickson ( Joan Hickson )

Mrs. Ellis

Anthony Nicholls ( Anthony Nicholls )

Grant Mansfield

Geoffrey Keen ( Geoffrey Keen )

Morgan Williams

John Bailey ( John Bailey )

Stringer

Patric Doonan ( Patric Doonan )

George Ellis

Dora Bryan ( Dora Bryan )

Mrs. Bowers

Stuart Lindsell ( Stuart Lindsell )

Commissioner

John Harvey ( John Harvey )

Scotland Yard Man

Charles Lloyd Pack ( Charles Lloyd Pack )

Laurence Naismith ( Laurence Naismith )

Jack McNaughton ( Jack McNaughton )

Julian Amyes ( Julian Amyes )

Alfie Bass ( Alfie Bass )

Hélène Burls ( Hélène Burls )

Basil Cunard ( Basil Cunard )

Harry Fowler ( Harry Fowler )

Everley Gregg ( Everley Gregg )

George Hilsdon ( George Hilsdon )

Glyn Houston ( Glyn Houston )

Douglas Ives ( Douglas Ives )

Moultrie Kelsall ( Moultrie Kelsall )

Sam Kydd ( Sam Kydd )

Victor Maddern ( Victor Maddern )

Julien Mitchell ( Julien Mitchell )

Julian Somers ( Julian Somers )

Marianne Stone ( Marianne Stone )

John Warwick ( John Warwick )

Lockwood West ( Lockwood West )