David Tennant character Arthur Eddington
Richard McCabe character Frank Dyson
Andy Serkis character Albert Einstein
Patrick Kennedy character William Marston
Rebecca Hall character Winnie Eddington
Jim Broadbent character Sir Oliver Lodge
Jacob Theato character Eduard Einstein
Callum Williams character Hans Einstein
Lucy Cohu character Mileva Einstein
Donald Sumpter character Max Planck
Anton Lesser character Fritz Haber
Paul Brooke character H H Turner
Eleanor Tomlinson character Agnes Muller
Jodhi May character Elsa Einstein
Philip Whitchurch character Uncle Rudolf
Kika Markham character Aunt Fanny
Ben Uttley character Tennis Player 1
