The Secret Adversary poster
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The Secret Adversary

6.919832h 1mMovieComedyMysteryTV Movie

After a chance meeting and an indiscreet conversation, childhood friends Tommy Beresford and Tuppence Cowley become involved in a convoluted intrigue led by a mysterious man known simply as Mr. Brown.

DirectorTony Wharmby
WriterPat Sandys
ProducerJack Williams

Where to watch

HuluHuluBritbox Apple TV channelBritbox Apple TV channelBritBoxBritBoxPBS Masterpiece Amazon ChannelPBS Masterpiece Amazon ChannelBritBox Amazon ChannelBritBox Amazon Channel
Availability shown for United States · rights vary by country

Cast · Directed by Tony Wharmby

FAFrancesca Annis
Francesca Annis
Tuppence
JWJames Warwick
James Warwick
Tommy
GOGavan O'Herlihy
Gavan O'Herlihy
Julius P. Hersheimmer
AMAlec McCowen
Alec McCowen
Sir James Peel Edgerton
HBHonor Blackman
Honor Blackman
Rita Vandemeyer
PBPeter Barkworth
Peter Barkworth
Mr. Carter
TF
Toria Fuller
Jane Finn
JFJohn Fraser
John Fraser
Kramenin
GBGeorge Baker
George Baker
Whittington
DHDonald Houston
Donald Houston
Boris
JB
Joseph Brady
Dr. Hall
WKWolf Kahler
Wolf Kahler
The German

More from Francesca Annis · Lead actress

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BBC Play of the Month
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The Saint
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Tales from the Crypt
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Theatre 625
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Dalziel and Pascoe
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See all fromFrancesca Annis

More from James Warwick · Co-star actor

Doctor Who
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1963 · 7.9
Murder, She Wrote
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1984 · 7.5
Babylon 5
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1994 · 8.0
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More from Tony Wharmby · Director

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Supernatural
Supernatural
2005 · 8.3
American Dad!
American Dad!
2005 · 7.0
Bones
Bones
2005 · 8.2
The X-Files
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NCIS: Los Angeles
NCIS: Los Angeles
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JAG
JAG
1995 · 7.3
Gossip Girl
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2007 · 8.1
Without a Trace
Without a Trace
2002 · 7.2
NCIS: New Orleans
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2014 · 7.3
See all fromTony Wharmby

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The Secret Adversary — streaming FAQ

Which OTT platform streams The Secret Adversary?

The Secret Adversary is streaming on Hulu, Britbox and BritBox in United States. It's not currently on Netflix.

Is The Secret Adversary on Netflix?

No, The Secret Adversary is not on Netflix in United States as of September 2026. It's currently on Hulu and Britbox.

Is The Secret Adversary on Amazon Prime Video?

No, The Secret Adversary isn't on Amazon Prime Video in United States right now. It's on Hulu and Britbox instead.

Where can I watch The Secret Adversary for free?

The Secret Adversary is available on Hulu and Britbox in United States, but you'll need an active subscription — there's no free option right now.