David Hayman
Mr. Turner (7 eps)
Lorraine Ashbourne
Mrs. Turner (7 eps)
Ben Whishaw
Danny (5 eps)
Edward Holcroft
Alex (5 eps)
Jim Broadbent
Scottie (5 eps)
Priyanga Burford
Clinician (2 eps)
Riccardo Scamarcio
Doppelganger (1 eps)
Tatsujiro Oto
Geisha (1 eps)
Gintare Beinoraviciute
Clubber (uncredited) (1 eps)
Neil Alexander Smith
Nightclub Doorman (uncredited) (1 eps)
Kate Dickie
Editor (1 eps)
Michaela Coel
Journalist (1 eps)
Grant Stimpson
Danny's Boss (1 eps)
Clarke Peters
The American (1 eps)
Richard Clark
Wharehouse Worker (uncredited) (1 eps)
James Copestake
Lead Party Guy (1 eps)
Mark Gatiss
Rich (1 eps)
Steffan Donnelly
Raphael (1 eps)
Heronimo Sehmi
Club Staff (1 eps)
James Fox
James (1 eps)
Henry Goodman
Silversmith (1 eps)
Sean McKee
Dealer (1 eps)
Jay Benedict
Phone Voice (voice) (1 eps)
Lizzy McInnerny
Danny's Mother (1 eps)
David Meyer
Danny's Father (1 eps)
Sam Kenyon
HIV Group Chair (1 eps)
Deon Lee-Williams
Ryan (1 eps)
Louis Saint-Juste
Oldest Guy (1 eps)
Matthew Stagg
Young Alex (1 eps)
Nicola Grier
Agent in the Attic (1 eps)
Tobias James-Samuels
C.I.D (uncredited) (1 eps)
Chris Wilson
CID Officer (uncredited) (1 eps)
Antonia Campbell-Hughes
Magician (1 eps)