The main cast of the movie "Killers of the Flower Moon" (2023) includes:
- Leonardo DiCaprio as Ernest Burkhart, a World War I veteran
- Robert De Niro as William King Hale, Ernest's uncle
- Lily Gladstone as Mollie Burkhart, Ernest's wife
- Jesse Plemons as Thomas Bruce White Sr., a Bureau of Investigation agent leading the murder investigation
- Tantoo Cardinal as Lizzie Q, Mollie's mother
- John Lithgow as Peter Leaward, the lead prosecutor in the trials of Hale and Burkhart
- Brendan Fraser as W. S. Hamilton, Hale's attorney
- Cara Jade Myers as Anna, Mollie's sister
- JaNae Collins as Reta, Mollie's sister
- Jillian Dion as Minnie, Mollie's sister
- Jason Isbell as Bill Smith, Minnie's and later Reta's husband
- William Belleau as Henry Roan, Mollie's first husband and later murder victim
- Louis Cancelmi as Kelsie Morrison, an acquaintance and accomplice of Burkhart and Hale
- Scott Shepherd as Byron Burkhart, Ernest's younger brother
- Additional supporting cast includes Tatanka Means, Everett Waller, Talee Redcorn, and others.
The film is directed by Martin Scorsese and written by Eric Roth and Martin Scorsese, based on the book by David Grann.
