Lennie James
Glen Boyle (13 eps)
Catherine Walker
Fiona Lomas (13 eps)
Kimberley Nixon
Dr Harry Bennett Edwards (13 eps)
Neve McIntosh
Nicola Hicklin (13 eps)
Prasanna Puwanarajah
Ramakrishna Chandramohan (13 eps)
John Macmillan
Justin Costello (13 eps)
Ellen Thomas
Constance Campbell (13 eps)
Mali Harries
Nerys Merrick (13 eps)
Paul Bazely
Giles Dhillon (13 eps)
Danny Kirrane
Billy Finlay (13 eps)
Peter Sullivan
Clive Archerfield (13 eps)
Emma Fryer
Rebecca Osgood (13 eps)
Claire Skinner
Lorraine Rappaport (13 eps)
Tim Faraday
Bob (13 eps)