* Stephen Dillane as Karl Roebuck
* Clémence Poésy as Elise Wassermann
* Thibault de Montalembert as Gaël Perec
* Angel Coulby as Laura Roebuck
* Tom Bateman as Danny Hillier
* Keeley Hawes as Helen Magnusson
* Ed Skrein as Pete Drummond
* Jeanne Balibar as Céline Beranger
* Ophelia Lovibond as Rosa Herz
* David Morrissey as John Mercer