Serena

Patrick Holt

Inspector Gregory

Emrys Jones

Howard Rogers

Honor Blackman

Ann Rogers

Bruce Beeby

Det. Sgt Conway

John Horsley

Mr. Fisher

Robert Perceval

Bank Manager

Wally Patch

Barman

Frank Pettitt

Fred (as Frank Pettit)

Benedicta Leigh

Policewoman Scott

Peter Glaze

Station Booking Clerk

Vi Stevens

Landlady

Howard Greene

River Police Sergeant

Raymond Smith

River Police Constable

Lawrence James

Uniformed Constable

Reginald Hearne

Doctor (as Reggie Hearne)

Barry Linehan

Forensic Chemist

Gerry Duggan

Norman Cole

Colin Rix

Plain Clothes Detective

Bill Mills

Photographer

Pat Shaw

Uniformed Policewoman

Stephen Dade

Director of Photography

David Bracknell

Assistant Director

Allan Morrison

Editor

George Provis

Art Direction

Richard Bird

Sound Recordist

Edward Abraham

Story, Screenplay

Valerie Abraham

Story

Peter Maxwell

Director

Johnny Gregory

Music, Music Director

John I. Phillips

Producer

Ronald Liles

Associate Producer

Jimmy Evans

Makeup Artist

Reginald Hearne

Screenplay

Bobbie Smith

Hairstylist

Gus Drisse

Camera Operator

Wally Nelson

Assistant Editor

Pat Moon

Continuity

Ken Ritchie

Boom Operator

Frank Bellingham

Still Photographer

Joyce Stoneman

Wardrobe Assistant