Seagull Island

• 
  Prunella Ransome
  Barbara Carey
• 
  Nicky Henson
  Martin Foster
• 
  Jeremy Brett
  David Malcolm
• 
  Vassili Karis
  Giulio
• 
  Pamela Salem
  Carol
• 
  Gabriele Tinti
  Enzo Lombardi
• 
  Fabrizio Jovine
  Inspector Casati
• 
  Marco Mastantuono
  Frederick
• 
  Federico Tocci
  Marco
• 
  Sherry Buchanan
  Mary Ann Saunders
• 
  Umberto Raho
  Doctor
• 
  Veronica Wells
  Cynthia
• 
  Mascia Musy
  Consuelo
• 
  Katherine Berg
  Arlene
• 
  Gregory Snegoff
  Tom Sherman
• 
  Patrizia Webley
  Valeria Santoro
• 
  Walter Williams
  Optician
• 
  Helen Stirling
  Director of Academy
• 
  Paul Muller
  Maresciallo
• 
  Peter Boom
  Hotel Concierge
• 
  Stefania Maccarone
  Girl on Boat
• 
  Lars Bloch
  Charles
• 
  Martine Dewailly
  Monica
• 
  Mimmo Poli
  The Man who Pays the Bet
• 
  Luciano Foti
  Policeman at the beach

• Nestore Ungaro

• Jeremy Burnham
  ...
  (screenplay)
• Augusto Caminito
  ...
  (screenplay)
• Nestore Ungaro
  ...
  (original story)