UNIT (audio drama series)

UNIT is a science fiction audio series produced by Big Finish Productions focused on the fictional military organisation of the same name, who investigate extra terrestrial threat. Members of UNIT include Kate Stewart, Sam Bishop and Josh Carter

UNIT
Big Finish Productions audio drama
Series	The Worlds of Doctor Who
Featuring	Brigadier Lethbridge-Stewart (2004-2005) Kate Stewart (2015-present) Petronella Osgood (2015-present)
Written by	various
Directed by	various (2004-2012) Ken Bentley (2015-present)
Produced by	David Richardson
Executive producer(s)	Jason Haigh-Ellery Nicholas Briggs
Music	Howard Carter
Release date	November 2004 (2004-11) – present

Cast

List indicator

This section includes characters who will appear or have appeared in at least one season.

•   A green cell indicates the actor is a main cast member.
•   A red cell indicates the actor is a recurring cast member.
•   A light blue cell indicates the actor is a guest or special guest cast member.

Actor	Character	Appearances
		UNIT				UNIT: The New Series
		S1	Sp.	Brave New World		S1	S2	S3	S4	S5	S6	S7	S8	Nemesis
				S1	S2									S1	S2	S3	S4
Siri O'Neal	Emily Chaudhry	✓	Does not appear
Nicholas Deal	Robert Dalton	✓	Does not appear
Sylvester McCoy	The Doctor	Does not appear	✓	Does not appear
Tracey Childs	Elizabeth Klein	Does not appear	✓	Does not appear
Beth Chalmers	Raine Creevy	Does not appear	✓	Does not appear
Alex Macqueen	The Master	Does not appear	✓	Does not appear
Derek Jacobi		Does not appear								✓	Does not appear
Nicholas Courtney	Brigadier Lethbridge-Stewart	✓	Does not appear
Robert Curbishley	Will Hoffman	✓	Does not appear
Michael Hobbs	Francis Currie	✓	Does not appear
Angela Bruce	Brigadier Winifred Bambera	Does not appear		✓		Does not appear									✓	Does not appear
Alex Jordan	Sergeant Jean-Paul Savarin	Does not appear		✓		Does not appear
Yemisi Oyinloye	Dr Louise Rix	Does not appear		✓		Does not appear
Jemma Redgrave	Kate Stewart	Does not appear				✓
Ingrid Oliver	Petronella Osgood	Does not appear				✓
James Joyce	Josh Carter	Does not appear				✓
Warren Brown	Sam Bishop	Does not appear				✓				Does not appear	✓	Does not appear	✓	Does not appear
Ramon Tikaram	Vikram Shindi	Does not appear				✓	Does not appear	✓	Does not appear	✓			Does not appear
Tracy Wiles	Jacqui McGee	Does not appear				✓	Does not appear	✓	Does not appear				✓		Does not appear	✓	Does not appear
Mark Bonnar	The Eleven	Does not appear												✓			Does not appear
Christopher Naylor	Harry Sullivan	Does not appear												✓		Does not appear	✓
Eleanor Cross	Naomi Crooks	Does not appear												✓

Notable guests

• Katy Manning as Jo Grant
• John Levene as John Benton
• Richard Franklin as Mike Yates
• Pik-Sen Lim as Chin Lee
• Alex Kingston as River Song
• Tom Baker as The Curator
• Michelle Gomez as Missy

The Original Series

Series 1 (2004–05)

No.	Title	Directed by	Written by	Featuring	Released
0	"The Coup[1]"	Ian Farrington	Simon Guerrier	The Brig, Chaudhry, Currie, ICIS	November 2004 (2004-11)
1	"Time Heals[2]"	Jason Haigh-Ellery	Iain McLaughlin & Claire Bartlett	Chaudhry, Dalton, the Brig, Hoffman, Currie, ICIS	December 2004 (2004-12)
2	"Snake Head[3]"	John Ainsworth	Jonathan Clements	Chaudhry, Dalton, Hoffman	January 2005 (2005-01)
3	"The Longest Night[4]"	Edward Salt	Joseph Lidster	Chaudhry, Dalton, Hoffman, Currie, ICIS	March 2005 (2005-03)
4	"The Wasting[5]"	Nicola Bryant	Iain McLaughlin & Claire Bartlett	Chaudhry, the Brig, Currie, Brimmicombe-Wood, ICIS	June 2005 (2005-06)

Special (2012)

No.	Title	Directed by	Written by	Featuring	Released
–	"Dominion"	Nicholas Briggs	Jason Arnopp & Nicholas Briggs	Seventh Doctor, Raine, Klein, the Master	October 2012 (2012-10)

Brave New World (2022)

No.	Title	Directed by	Written by	Featuring	Released
Volume 1: Seabird One
1	"Rogue State"[6]	Scott Handcock	Robert Valentine	Brigadier Bambera, Sergeant Jean-Paul Savarin	July 2022 (2022-07)
2	"Time Flies"[6]		Alison Winter	Brigadier Bambera, Sergeant Jean-Paul Savarin, Dr Louise Rix
3	"Dark Side of the Moon"[6]		Alfie Shaw	Brigadier Bambera, Sergeant Jean-Paul Savarin, Dr Louise Rix
Volume 2: Visitants
1	"The Frequency"[7]	Scott Handcock	Tajinder Singh Hayer	Brigadier Bambera, Sergeant Jean-Paul Savarin, Dr Louise Rix	December 2022 (2022-12)
2	"Haunt"[7]		Lizzie Hopley
3	"The Last Line of Defence"[7]		Robert Valentine
Volume 3: Fractures
1	"Kaiju"[8]	Samuel Clemens	Robert Valentine	Brigadier Bambera, Sergeant Jean-Paul Savarin, Dr Louise Rix	June 2025 (2025-06)
2	"Debrief"[8]		Alfie Shaw
3	"Shatterpoint"[8]		Mark Wright
Volume 4: Knightfall
-	"To be confirmed"	Samuel Clemens	To be confirmed	To be confirmed	March 2026 (2026-03)

The New Series

UNIT was relaunched in 2015 as UNIT: The New Series. Each series is principally led by Jemma Redgrave and Ingrid Oliver reprising their roles of Kate Stewart and Petronella Osgood from the relaunched series of Doctor Who.

Series 1: Extinction (2015)

No.	Title	Directed by	Written by	Featuring	Released
1	"Vanguard"	Ken Bentley	Matt Fitton	Kate, Osgood, Shindi, Josh, Nestene Consciousness, Autons	November 2015 (2015-11)
2	"Earthfall"	Ken Bentley	Andrew Smith	Kate, Osgood, Shindi, Josh, Sam, Autons
3	"Bridgehead"	Ken Bentley	Andrew Smith	Kate, Osgood, Shindi, Josh, Nestene Consciousness
4	"Armageddon"	Ken Bentley	Matt Fitton	Kate, Osgood, Shindi, Josh, Sam, Nestene Consciousness

Series 2: Shutdown (2016)

No.	Title	Directed by	Written by	Featuring	Released
1	"Power Cell"	Ken Bentley	Matt Fitton	Kate, Osgood, Josh	May 2016 (2016-05)
2	"Death in Geneva"		Andrew Smith	Kate, Osgood, Josh, Sam, Tengobushi
3	"The Battle of the Tower"		Andrew Smith	Kate, Osgood, Josh, Tengobushi
4	"Ice Station Alpha"		Matt Fitton	Kate, Osgood, Josh, Sam, Tengobushi

Series 3: Silenced (2016)

No.	Title	Directed by	Written by	Featuring	Released
1	"House of Silents"	Ken Bentley	Matt Fitton	Kate, Osgood, Josh, Shindi, Silents	November 2016 (2016-11)
2	"Square One"		John Dorney	Kate, Osgood, Sam, Josh, Silents
3	"Silent Majority"		John Dorney	Kate, Osgood, Sam, Josh, Silents
4	"In Memory Alone"		Matt Fitton	Kate, Osgood, Sam, Josh, Shindi, Silents

Series 4: Assembled (2017)

No.	Title	Directed by	Written by	Featuring	Released
1	"Call to Arms"	Ken Bentley	Matt Fitton	Kate, Osgood, Josh, John Benton, Mike Yates, Silurians	May 2017 (2017-05)
2	"Tidal Wave"		Guy Adams	Kate, Osgood, Jo Jones, Sea Devils
3	"Retrieval"		Guy Adams	Kate, Osgood, Josh, Sam, Silurians
4	"United"		Matt Fitton	Kate, Osgood, Josh, Sam, John Benton, Mike Yates, Jo Jones, Silurians

Series 5: Encounters (2017)

No.	Title	Directed by	Written by	Featuring	Released
1	"The Dalek Transaction"	Ken Bentley	Matt Fitton	Kate, Osgood, Josh, Shindi, Daleks	November 2017 (2017-11)
2	"Invocation"		Roy Gill	Kate, Osgood, Josh, Shindi
3	"The Sontaran Project"		Andrew Smith	Kate, Osgood, Shindi, Sontarans
4	"False Negative"		John Dorney	Kate, Osgood, Josh, Shindi

Series 6: Cyber-Reality (2018)

No.	Title	Directed by	Written by	Featuring	Released
1	"Game Theory"	Ken Bentley	Matt Fitton	Kate, Osgood, Sam, Josh, Shindi	May 2018 (2018-05)
2	"Telepresence"		Guy Adams	Kate, Osgood, Josh, Shindi
3	"Code Silver"		Guy Adams	Kate, Osgood, Sam, Josh, Shindi, Cybermen
4	"Master of Worlds"		Matt Fitton	Kate, Osgood, Sam, Josh, Shindi, Cybermen, the Master

Series 7: Revisitations (2018)

No.	Title	Directed by	Written by	Featuring	Released
1	"Hosts of the Wirrn - Part 1"	Ken Bentley	Chris Chapman	Kate, Osgood, Josh, Shindi, Wirrn	November 2018 (2018-11)
2	"Hosts of the Wirrn - Part 2"		Chris Chapman	Kate, Osgood, Josh, Shindi, Wirrn
3	"Breach of Trust"		David K Barnes	Kate, Osgood, Josh, Shindi
4	"Open the Box"		Roy Gill	Kate, Osgood, Josh, Shindi, Chin Lee

Series 8: Incursions (2019)

No.	Title	Directed by	Written by	Featuring	Released
1	"This Sleep of Death"	Ken Bentley	Jonathan Morris	Kate, Osgood, Josh, Sam, Static	April 2019 (2019-04)
2	"Tempest"		Lisa McMullin	Kate, Osgood, Sam
3	"The Power of River Song - Part 1"		Guy Adams	Kate, Osgood, Josh, Sam, River Song, Jacqui
4	"The Power of River Song - Part 2"		Guy Adams	Kate, Osgood, Josh, Sam, River Song, Jacqui

Nemesis 1: Between Two Worlds (2021)

No.	Title	Directed by	Written by	Featuring	Released
1	"The Enemy Beyond"	Ken Bentley	Andrew Smith	Kate, Osgood, The Eleven, Josh	November 2021 (2021-11)
2	"Fire and Ice"		John Dorney	Kate, Osgood, Harry Sullivan, Naomi Cross, Ice Warriors, The Eleven
3	"Eleven's Eleven"		Lisa McMullin	Kate, Osgood, The Eleven, Josh
4	"The Curator's Gambit"		Andrew Smith	Kate, Osgood, The Eleven, The Curator, Harry Sullivan, Josh

Nemesis 2: Agents of the Vulpreen (2022)

No.	Title	Directed by	Written by	Featuring	Released
1	"The Man From Gallifrey"	Ken Bentley	Andrew Smith	Kate, Osgood, the Eleven	March 2022 (2022-03)
2	"Power of the Dominators"		Kenneth Grant	Kate, Osgood, Dominators, Quarks
3	"The War Factory"		Lizzie Hopley	Kate, Osgood, Brigadier Winifred Bambera, the Eleven
4	"Ten Minutes in Hell"		John Dorney	Kate, Osgood

Nemesis 3: Objective – Earth (2022)

No.	Title	Directed by	Written by	Featuring	Released
1	"The Vulpreen Encounter"	Ken Bentley	Andrew Smith	Kate, Osgood, Jacqui	November 2022 (2022-11)[9]
2	"By Jacqui McGee"		Lisa McMullin	Kate, Osgood, Jacqui
3	"Axos Unleashed"		Katharine Armitage	Kate, Osgood, Axos
4	"Time of the Vulpreen"		Roland Moore	Kate, Osgood, The Eleven

Nemesis 4: Masters of Time (2023)

No.	Title	Directed by	Written by	Featuring	Released
1	"One Way or Another"	Ken Bentley	John Dorney	Kate, Osgood	July 2023 (2023-07)[10]
2	"Traitor's Gate"		Sarah Grochala	Kate, Osgood
3	"The Destiny Labyrinth"		Alison Winter	Kate, Osgood
4	"True Nemesis"		Andrew Smith	Kate, Osgood, Missy