• 
  Diarmuid Lawrence

  regizor

• 
  Richard Johnson

  Gerald Middleton
• 
  Elizabeth Spriggs

  Inge Middleton
• 
  Kate Winslet

  Caroline Jevington
• 
  Daniel Craig

  Gilbert Stokesay
• 
  Jay Benedict
• 
  Robert Lang

  Professor Clun (unknown episodes)
• 
  Briony Glassco

  Young Inge Middleton (3 episodes, 1992)

• 
  Tara Fitzgerald

  Young Dollie Stokesay (3 episodes, 1992)
• 
  Carmen du Sautoy

  Marie-Helene Middleton (1 episode, 1992)
• 
  Kate Maberly

  Young Kay (unknown episodes)
• 
  Dorothy Tutin

  Dollie Stokesay (3 episodes, 1992)
• 
  Simon Chandler

  John Middleton (3 episodes, 1992)
• 
  Lila Kaye

  Dr. Rose Lorimer (2 episodes, 1992)
• 
  Rosalie Crutchley

• 
  Carl Duering

  Professor Pforzheim (unknown episodes)
• 
  Helen Cherry

  Lillian Portway (1 episode, 1992)
• 
  Nicholas Jones

  Robin Middleton (3 episodes, 1992)
• 
  Douglas Hodge

  Young Gerald Middleton (3 episodes, 1992)
• 
  Edna Doré

  Mrs. Salad (2 episodes, 1992)
• 
  Paudge Behan

  Larrie Rourke (3 episodes, 1992)
• 
  Deborah Findlay

  Kay (3 episodes, 1992)
• 
  Oliver Ford Davies

  Professor Stokesay (3 episodes, 1992)