Major James Prentis VC is a British spy of World War II and war hero who goes under the code name of "Shuttlecock". Alienated from his family and children, he ends up in a mental institution in Lisbon, Portugal.

• Alan Bates
• Lambert Wilson
• Kenneth Haigh
• Jill Meager
• João Perry
• Luísa Barbosa
• Arthur Cox
• Gregory Chisholm