"Three children track their lost piano with one note missing through London."
Heather Bennett
as Joan
Hennie Scott
as Tom
John Moulder-Brown
as Willie
Toke Townley
as Mr. Parker
Vivian Lacey
as Susie
Tommy Godfrey
as Sam
Edgar Driver
as Mr. Newbolt
Patricia Leslie
as Mrs. Harris
R.S.M. Brittain
as Commissionaire
Geoffrey Denton
as Floorwalker
Derek Prentice
as Stage manager
Michael Brandt
Director
Frank Wells
Writer
Hannah Russell
Music
John Glen
Editor
Muriel Dickson
Wardrobe Designer
Henry Passmore
Producer
J. Elder Wills
Art Direction
Alan White
Director of Photography
Mary Cathcart Borer
