The Secret Adversary is a 1983 television adaptation of the Agatha Christie novel with the same name. It was directed by Tony Wharmby and adapted by Pat Sandys.


  • James Warwick as Tommy Beresford
  • Francesca Annis as Tuppence Crowley
  • Gavan O'Herlihy as Julius P. Hersheimmer
  • Alec McCowen as Sir James Peele Edgerton
  • Honor Blackman as Rita Vandemeyer
  • Peter Barkworth as Mr Carter
  • Toria Fuller as Jane Finn/Annette
  • John Fraser as Kramenin
  • George Baker as Whittington
  • Donald Houston as Boris
  • Joseph Brady as Dr. Hall
  • Wolf Kahler as The German
  • Reece Dinsdale as Albert
  • Peter Lovstrom as Henry
  • Matthew Scurfield as Conrad
  • Holly Watson as Child on Beach
  • Phyllida Hewat as Woman in Tea Shop
  • James Walker as Clerk #1
  • Mike Elles as Clerk #2
  • Gabrielle Blunt as Annie
  • Norman Hartley as Florist
  • Roger Ostime as Ritz Hotel Receptionist
  • Nicholas Geake as Watson
  • Simon Watkins as Man at Astley Priors
  • Steve Fletcher as Messenger Boy
  • Harry Fielder as Henchman (uncredited)
  • Andrea Hess as Cellist (uncredited)
  • Celia Sheen as Violinist (uncredited)
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