Aldo Ray

Matt Kirk

Heather Sears

Ann Fulton

Neil McCallum

Johnny Kirk

Victor Maddern

Bert

Carlo Giustini

Luke (as Carlo Justini)

Alan Tilvern

Superintendent Hanna

Barbara Mullen

Mrs. Fulton

Gerry Duggan

Pat Fulton

Kenneth J. Warren

Police Commissioner (as Kenneth Warren)

Grant Taylor

Constable Macey

Deryck Barnes

Sergeant Drake (as Derek Barnes)

Richard Vernon

Under Secretary

Ewan MacDuff

Naval Captain (as Ewan Macduff)

Martin Boddey

Brigadier

Max Robertson

Motorcycle Policeman

John Pusey

Small Boy

Fred Abbott

Constable

Peter Bathurst

Attorney General (Uncredited)

Robert Rietti

Luke (Uncredited)

James Copeland

Chief Petty Officer (Uncredited)

Ed Devereaux

TV Newsreader (Uncredited)

Barry Foster

Navy Rating (Uncredited)

Lindsay Hooper

Police Sergeant (Uncredited)

Glyn Houston

Navy Rating (Uncredited)

Howard Lang

Whitsun (Uncredited)

Jerome 'Jock' Levy

Policeman (Uncredited)

Jack Taylor

Sub-editor (Uncredited)

John Wilder

Secretary at Meeting (Uncredited)

George Woodbridge

Newspaper Editor (Uncredited)