Donald Sinden

Geoffrey Leavitt

Muriel Pavlow

Meg Elgin

Tony Wright

Jack Havoc (aka Johnny Cash)

Bernard Miles

Tiddy Doll the Gang Leader

Beatrice Varley

Lucy Cash

Alec Clunes

Asst. Commissioner Oates

Laurence Naismith

Canon Avril

Christopher Rhodes

Chief Inspector Luke

Charles Victor

Will

Thomas Heathcote

Rolly Gripper

Sam Kydd

Tom Gripper

Kenneth Griffith

Crutches

Gerald Harper

Walter "Duds" Morrison

Wensley Pithey

Detective Sergeant Pickett

Stanley Rose

Uncle

Stratford Johns

Police Constable

Percy Herbert

Copper

Hilda Barry

Mrs. Mary Talisman

Brian Wilde

Trumps

Violet Gould

(uncredited)

Marianne Stone

(uncredited)

Victor Brooks

Detective (uncredited)

Howard Lang

Detective (uncredited)

Dandy Nichols

Stall Attendant (uncredited)

Philip Ray

Police Doctor (uncredited)

Roy Ward Baker

Director

Anthony Pelissier

Screenplay

Margery Allingham

Novel

Mike Fox

Clapper Loader