The Horror of It All

Pat Boone

John J. 'Jack' Robinson

Erica Rogers

Cynthia Marley

Dennis Price

Cornwallis Marley

Andrée Melly

Natalia Marley

Valentine Dyall

Reginald Marley

Jack Bligh

Percival Marley

Archie Duncan

Muldoon Marley

Erik Chitty

Grandpa Marley

Oswald Laurence

Doctor

Harry White

Art Direction

Terence Fisher

Director

Douglas Gamley

Original Music Composer

Arthur Lavis

Director of Photography

Robert L. Lippert

Executive Producer

Margia Dean

Producer

Ray Russell

Screenplay

Clive Smith

Assistant Editor

Len Harris

Camera Operator

Bill Lodge

Makeup Artist

Frank Nesbitt

Assistant Director

Robert Winter

Editor

Clifford Parkes

Production Manager

Renée Glynne

Continuity

George Stephenson

Sound Recordist

Philip Martell

Conductor

Jean Fairlie

Wardrobe Supervisor

Daphne Vollmer

Hairstylist

Barbara Allen

Production Secretary

Maureen Newman

Production Accountant