- Brad Pitt Max Vatan
- Marion Cotillard Marianne Beausejour
- Jared Harris Frank Heslop
- Lizzy Caplan Bridget Vatan
- Daniel Betts George Kavanagh
- Matthew Goode Guy Sangster
- Anton Lesser Emmanuel Lombard
- Simon McBurney S.O.E. Official
- Marion Bailey Mrs. Sinclair
- August Diehl Hobar
- Thierry Frémont Paul Delamare
- Xavier De Guillebon Claude
- Josh Dylan Capitán Adam Hunter
- Charlotte Hope Louise
- Camille Cottin Monique
