"Movie version of The Mallen Secret. Edited together from the episodes of The Mallens."
Caroline Blakiston
as Anna Bridgmore
June Ritchie
as Constance Radlet
Juliet Stevenson
as Barbara Mallen
Gerry Sundquist
as Michael Radlet
Mary Healey
as Mary Peel
Matthew Long
as Harry Bensham
Vicky Williams
as Kate Bensham
Michael Thomas
as Dan Bensham
Neil Dickson
as John Bensham
Julie Shipley
as Sarah Waite
Jeremy Clay
as Jim Waite
Caroline Goodman
as Jenny Pearson
