Ben Whishaw
Dr Adam Kay (7 eps)
Ambika Mod
Shruti Acharya (7 eps)
Alex Jennings
Mr. Lockhart (7 eps)
Michele Austin
Tracy (7 eps)
Rory Fleck-Byrne
Harry (7 eps)
Tom Durant-Pritchard
Greg (7 eps)
Harriet Walter
Veronique (7 eps)
Kadiff Kirwan
Julian (7 eps)
Ashley McGuire
Miss/Ms Houghton (7 eps)
Al Roberts
James (1 eps)
Jack Wilkinson
Daniel Farrell (1 eps)
Hannah Onslow
Erika Van Hegen (1 eps)
Rosie Akerman
Paula Van Hegen (1 eps)
Michael Workeye
Ben (1 eps)
Clea Martin
Layla (1 eps)
Farah Sardar
A&E Nurse (1 eps)
Clare Fraenkel
Nina (1 eps)
Josie Walker
Non-Reassuring Trace (1 eps)
Ricky Champ
Rob (1 eps)
Stacey Norris
Matilda (1 eps)
Amanda Ryan
Mindy (1 eps)
Thomas Aldridge
Mark (1 eps)
Cathy Murphy
Harry's Mum (1 eps)
Ross Tomlinson
PJ (1 eps)
Yinka Awoni
James (1 eps)
Helen Cripps
Psych Reg (1 eps)
Layo-Christina Akinlude
Chid (1 eps)
Daniel Ward
Paul (1 eps)
Michael Simkins
Stephen (1 eps)