- Author:
- Edgar Allan Poe
- Adapted by:
- Hugh Whitemore
- Make-up:
- Judy Neame
- Costumes:
- Raymond Hughes
- Costumes:
- Ken Morey
- Designer:
- Sally Hulke
- Script Editor:
- Alan Seymour
- Producer:
- Louis Marks
- Director:
- James Ormerod
- William Wilson:
- Norman Eshley
- Dr Bransby:
- Stephen Murray
- William Wilson (as a schoolboy):
- Matthew Stones
- William Wilson (at Eton):
- Charles Spicer
- Ashcroft:
- Thomas Bulman
- Pargeter:
- Peter Demin
- Glendinning:
- Anthony Daniels
- Preston:
- Robert Tayman
- Danby:
- Nigel Bowden
- Gondolier:
- Anthony Herrick
- Valentina di Broglio:
- Ludmila Nova
- Schoolboy:
- James Levine
- Schoolboy:
- David Obermeister
- Schoolboy:
- David Laurie
- Schoolboy:
- William Goodchild
- Schoolboy:
- James Barnard
- Schoolboy:
- Michael Hatt
- Schoolboy:
- Thomas Henry
- Schoolboy:
- Anthony Weiss
- Schoolboy:
- Simon Wilkinson
