Michael Douglas

as Benjamin Franklin

Noah Jupe

as Temple Franklin

Daniel Mays

as Edward Bancroft

Ludivine Sagnier

as Madame Anne-Louise Brillon

Thibault de Montalembert

as Comte de Vergennes

Théodore Pellerin

as Marquis de Lafayette

Assaad Bouab

as Beaumarchais

Tom Hughes

as Paul Wentworth

Jeanne Balibar

as Madame Helvetius

Eddie Marsan

as John Adams