BBC TV, 1979, 2 hours, 26 minutes
Director: Desmond Davis
Performers: Kenneth Colley, Kate Nelligan, Tim Pigott-Smith, John McEnery, Christopher Strauli
Alive Mind, 2007, 1 hour 11 minutes
Director: Bob Komar
Performers: Daniel Roberts, Simon Phillips, Kristopher Milnes, Dawn Murphy, Simon Brandon, Emma Agerwald, Robert Anderson, Josephine Rogers