Bill Nighy as Johnny Worricker

Helena Bonham Carter as Margot Tyrell

Ralph Fiennes as Prime Minister Alec Beasley

Ewen Bremner as Rollo Madeley

Judy Davis as Jill Tankard

Felicity Jones as Julianne Worricker

Olivia Williams as Belinda Kay

Rupert Graves as Stirling Rogers

Saskia Reeves as Anthea Catcheside

Shazad Latif as Jez Nichols

Daniel Ryan as Bill Catcheside

Leanne Best as Amber Page

Kate Burdette as Allegra Betts

Pip Torrens as Jack Calderon

San Shella as Abdul Khan

George Lenz as Security Man

Malcolm Sinclair as Reverend Bernard Towers

Andrew Cleaver as Brian Lord

James McArdle as Ted Finch

Nathan Ives-Moiba as Dean Chandler

Kirsty Oswald as Garden Room Girl

Valeria Vereau as Elisabeth

Richard O'Bryan as Barry

Pip Carter as Freddy Lagarde

Mark Wingett as Football Supporter

Anna Böger as Europcar Assistant

Renate Becker as Security Woman

JD Roth-Round as MP's Bodyguard (uncredited)