Besides Galitzine as Prince Henry and Perez as Alex, the movie's stars include Uma Thurman (who plays Alex's mum, President Ellen Claremont), Clifton Collins Jr., Sarah Shahi, Rachel Hilson, Stephen Fry, Ellie Bamber, Thomas Flynn, Malcolm Atobrah, Akshay Khanna, Sharon D. Clarke, Aneesh Sheth, and Juan Castano.
Image Source: Getty / Leon Bennett / Kevin Winter