Hugh Bonneville
as Ian Fletcher
Jessica Hynes
as Siobhan Sharpe
Hugh Skinner
as Will Humphries
Jason Watkins
as Simon Harwood
Monica Dolan
as Tracey Pritchard
Nina Sosanya
as Lucy Freeman
Ivan Gonzalez
as Jerry Guildencrantz
Jonathan Bailey
as Jack Patterson
Max Olesker
as Ben Rosenstern
Ophelia Lovibond
as Izzy Gould
Sarah Parish
as Anna Rampton
David Westhead
as Neil Reid
Rufus Jones
as David Wilkes
Daniel Ings
as Matt Taverner