Michael McCarthy
Director William H. Williams
Producer

Donald Houston
Dr. Robert Armour Natasha Parry
Anne Armour Patricia Owens
Willow, Opal's Companion (as Pat Owens) Esma Cannon
Aunt Judith Armour Nora Nicholson
Aunt Opal Armour Susan Richmond
Aunt Hester Armour Meadows White
Dexter the Gardener Melissa Stribling
Diana Wilson Ewen Solon
Sgt. Jenkins Denis Webb
Det. Inspector York Janet Barrow
Mrs. Wilson

Dick Smith
Sound Supervisor Dorothy Eden
Novel Vivian Milroy
Screenplay Robert LaPresle
Director of Photography Leo Rogers
Camera Operator Eric Hodges
Editor Sidney Rider
Sound Recordist