Idris Elba as Augustin

Carole Karemera as Jeanne

Pamela Nomvete as Martine

Oris Erhuero as Honoré

Fraser James as Xavier

Abby Mukiibi Nkaaga as Colonel Bagosora

Cleophas Kabasita as Valentine

Noah Emmerich as Lionel Quaid

Debra Winger as Prudence Bushnell

Peninah Abatoni as Woman Refugee #1

Ashani Alles as Prosecutor

Hope Azeda as Brigitte

Théogène Barasa as RAF Soldier #1

Dan Barlow as Belgian UN Soldier

Johannes Bausch as UN Officer #1

Stephen Buckingham as Judge Arusha

Michelle Rugema as Anne-Marie