Three children track their lost piano with one note missing through London.
Heather Bennett
Joan
Vivian Lacey
Susie
Patricia Leslie
Mrs. Harris
R.S.M. Brittain
Commissionaire
Derek Prentice
Stage manager
Michael Brandt
Director
Alan White
Director of Photography
Mary Cathcart Borer
Writer
Frank Wells
Hannah Russell
Music
Muriel Dickson
Wardrobe Designer