MI-5 Traitor's Gate (Season 1, Episode 4)
TV-14
TV Episode | 52 min | Action, Crime, Drama

MI-5

Traitor's Gate (Season 1, Episode 4)

TV-14

TV Episode | 52 min | Action, Crime, Drama

Ellie questions whether she can cope with dating a spy, and Zoe discovers Tessa is up to something. Meanwhile, Tom's mentor is working undercover at an anti-Bush rally when his methods start to appear dangerously unconventional.

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Cast	+ Add Cast
26 cast members

Name	Known for
Jenny Agutter Tessa Phillips (uncredited) Tessa Phillips (uncredited) See fewer	Logan's Run (1976)
Richard Armitage Armed Police Officer (uncredited) Armed Police Officer (uncredited) See fewer	The Hobbit: An Unexpected Journey (2012)
Joanne Baxter Cheeky Girl 2 (uncredited) Cheeky Girl 2 (uncredited) See fewer	The Bill (1984)
Heather Cave Maisie Simm (uncredited) Maisie Simm (uncredited) See fewer	EastEnders (1985)
Gabriel Crosse Policeman (uncredited) Policeman (uncredited) See fewer	The Bill (1984)
Bronwen Davies Andrea (uncredited) Andrea (uncredited) See fewer	Tristan + Isolde (2006)
Robert Finan Penguin Man (uncredited) Penguin Man (uncredited) See fewer	Mile High (2003)
Peter Firth Harry Pearce (uncredited) Harry Pearce (uncredited) See fewer	Lifeforce (1985)
Sarah Goodchild Cheeky Girl #1 (uncredited) Cheeky Girl #1 (uncredited) See fewer	Casualty (1986)
Joanna Gosling Newsreader (uncredited) Newsreader (uncredited) See fewer	MI-5 (2015)
Esther Hall Ellie Simm (uncredited) Ellie Simm (uncredited) See fewer	Queer as Folk (1999)
Keeley Hawes Zoe Reynolds (uncredited) Zoe Reynolds (uncredited) See fewer	Bodyguard (2018)
Anthony Head Peter Salter (uncredited) Peter Salter (uncredited) See fewer	Buffy the Vampire Slayer (1997)
Jukka Hiltunen Horst (uncredited) Horst (uncredited) See fewer	The Beach (I) (2000)
Christopher Jupe Waiter (uncredited) Waiter (uncredited) See fewer	Puckoon (2002)
Patrick Kennedy Radio Operator (uncredited) Radio Operator (uncredited) See fewer	The Queen's Gambit (2020)
Hugh Laurie Jools Siviter (uncredited) Jools Siviter (uncredited) See fewer	House (2004)
Matthew Macfadyen Tom Quinn (uncredited) Tom Quinn (uncredited) See fewer	Succession (2018)
Rory MacGregor Colin Wells (uncredited) Colin Wells (uncredited) See fewer	Love Actually (2003)
Graeme Mearns Jed Kelley (uncredited) Jed Kelley (uncredited) See fewer	The Key (2003)
David Oyelowo Danny Hunter (uncredited) Danny Hunter (uncredited) See fewer	Government Cheese (2025)
Hugh Simon Malcolm Wynn-Jones (uncredited) Malcolm Wynn-Jones (uncredited) See fewer	MI-5 (2002)
Gurdial Sira Mr. Patel (uncredited) Mr. Patel (uncredited) See fewer	Octopussy (1983)
Freddie Stuart Drunk Man (uncredited) Drunk Man (uncredited) See fewer	EastEnders (1985)
Matthew James Thomas Demonstrator (uncredited) Demonstrator (uncredited) See fewer	Summer of Rockets (2019)
Jules Werner Istvan Vogel (uncredited) Istvan Vogel (uncredited) See fewer	The Merchant of Venice (2004)