丹妮拉·纳尔迪尼
Daniela Nardini
饰：1 episode, 2005
桑德拉·迪金森
Sandra Dickinson
饰：Janey
安德鲁·比克内尔
Andrew Bicknell
饰：1 episode, 2004
莎莉·布雷顿
Sally Bretton
饰：Dr. Sally
Susan Greenfield
饰：Herself
Oona King
饰：Herself
茱丽叶特·斯蒂文森
Juliet Stevenson
饰：1 episode, 2004
Shannon Wake
饰：Poppy
格雷格·奇林
Gregg Chillin
饰：Mickey
伊川东吾
いがわ とうご
饰：Dr. Kajiya
布莱克·瑞特森
Blake Ritson
饰：Ben Swales
凯特·谢里丹
Katie Sheridan
饰：Lizzie Alton
Anna Southgate
饰：Cloe
Danielle Walters
饰：Tanya
乔·冈恩
Joe Gunn
饰：Billy Alton,1 episode, 2005,
Jarka Rudavska
饰：Hadijat Tataev,unknown episodes,
克莱尔·德赖弗
Claire Driver
达米恩·奥哈尔
Damian O'Hare
饰：Andrew Holland,unknown episodes,
约翰·维恩
John Vine
饰：Bill McAllister,1 episode, 2004,
托尼·奥索巴
Tony Osoba
饰：Consultant,1 episode, 2004,
Jennifer Calvert
饰：Jess,1 episode, 2006,
安东尼·格林
Anthony Green
饰：Nick,1 episode, 2006,
布拉德利·拉威尔
Bradley Lavelle
饰：Oil Man,1 episode, 2006,
威廉·霍普
William Hope
饰：Kim,1 episode, 2006,
Vincenzo Pellegrino
Vincenzo Pellegrino
饰：Alan,1 episode, 2006,
山姆·道格拉斯
Sam Douglas
饰：Fraser,1 episode, 2006,
Brendan Barry
Brendan Barry
饰：1 episode, 2004
朱丽叶·考恩
Juliet Cowan
饰：1 episode, 2004
马特·弗雷泽
Mat Fraser
饰：Timothy Charlton,1 episode, 2004,
Steve Jones
饰：Self,1 episode, 2004,
亚历克斯·洛威
Alex Lowe
饰：1 episode, 2004
森特拉·莎克
Sunetra Sarker
饰：1 episode, 2004
Richard Standing
饰：George Weaver,1 episode, 2004,
妮拉·阿利亚
Nila Aalia
饰：Dr. Sternberg,1 episode, 2005,
朱莉·爱丽丝
Juliet Ellis
饰：Emma Parker,1 episode, 2005,
Tim Frances
饰：The Commisioner,1 episode, 2005,
Richard Leaf
饰：Marc Pavel,1 episode, 2005,
Elizabeth McKechnie
Elizabeth McKechnie
饰：Katherine Ledger,1 episode, 2005,
Patrick O'Kane
饰：1 episode, 2005
Steve Benham
Steve Benham
饰：Patient,unknown episodes,
邓肯·达夫
Duncan Duff
饰：George Rowling Q.C.,unknown episodes,
埃里克·罗兰
Eric Loren
饰：FBI Agent,unknown episodes,
简·斯拉文
Jane Slavin
饰：Holly Smith,unknown episodes,
詹姆斯·卡罗尔·乔丹
James Carroll Jordan
饰：John,1 episode, 2006,
David Baukham
David Baukham
饰：Paul,1 episode, 2006,
玛德琳·鲍耶
Madeleine Bowyer
饰：Rachel,1 episode, 2006,
戴维·坎恩
David Cann
饰：Professor Casper,1 episode, 2004,
凯莉·芙塞丝
Keeley Forsyth
饰：Molly Weaver,1 episode, 2004,
Melanie Harris
饰：1 episode, 2004
Bronwen Davies
饰：Carrie Lucas,1 episode, 2005,
Sasha Finn
Sasha Finn
饰：Josie,1 episode, 2005,
克里斯托弗·富尔福德
Christopher Fulford
饰：Jack Rydal,1 episode, 2005,
凯文 霍华斯
Kevin Howarth
饰：Daniel Kandinski,1 episode, 2005,
埃曼努埃尔·伊格达罗
Emmanuel Ighodaro
饰：Jason,1 episode, 2005,
西蒙·洛
Simon Lowe
饰：Carl,1 episode, 2005,
莎卡亚·瑞丝
Saskia Reeves
饰：Mary Alton,1 episode, 2005,
朱丽亚·迪金
Julia Deakin
饰：Justice Snowdon,unknown episodes,
Caroline Lee Johnson
Caroline Lee-Johnson
饰：Chloe Adayemi Q.C.,unknown episodes,
纳迪姆·萨瓦哈
Nadim Sawalha
饰：Golam Yama,unknown episodes,
Sue Vincent
饰：Liz Downe,unknown episodes,