Capt. Sam Cahill — Brothers Character Profile

About Capt. Sam Cahill

USMC officer deployed to Afghanistan whose helicopter is shot down. Captured and tortured, he is forced to kill fellow survivor Joe Willis with a metal pipe to ensure his own release. Returning home with severe PTSD, he struggles to reconnect with his family, becomes paranoid about his wife and brother, and eventually suffers a violent breakdown before confessing his trauma to Grace.

Capt. Sam Cahill — Character Profile

Character Facts

Played by

Tobey Maguire

Appears in

Brothers (2009)

Role

Protagonist

Relationships (7)

• Capt. Sam Cahill — Family Spouse — Grace Cahill (Natalie Portman)

  Married couple navigating separation and trauma.

• Capt. Sam Cahill — Family Father — Isabelle Cahill (Bailee Madison)

  Father-daughter relationship strained by Sam's PTSD.

• Capt. Sam Cahill — Family Father — Maggie Cahill (Taylor Geare)

  Father-daughter relationship strained by Sam's PTSD.

• Capt. Sam Cahill — Family Brother — Tommy Cahill (Jake Gyllenhaal)

  Brothers with a complex history of rivalry and reconciliation.

• Capt. Sam Cahill — Family Father — Hank Cahill (Sam Shepard)

  Father-son relationship marked by tension and unspoken expectations.

• Capt. Sam Cahill — Family Mother — Elsie Cahill (Mare Winningham)

  Mother-son relationship characterized by quiet support.

• Capt. Sam Cahill — Professional Fellow Marine — Private Joe Willis (Patrick John Flueger)

  Comrades-in-arms bound by shared trauma and survival.

Explore the full interactive character relationship map of Brothers

More characters from Brothers

• Tommy Cahill (Jake Gyllenhaal)
• Grace Cahill (Natalie Portman)
• Hank Cahill (Sam Shepard)
• Yusuf (Omid Abtahi)
• Elsie Cahill (Mare Winningham)
• Sweeney (Ethan Suplee)
• Major Cavazos (Clifton Collins Jr.)
• Tina (Jenny Wade)
• Isabelle Cahill (Bailee Madison)
• Private Joe Willis (Patrick John Flueger)
• Murad (Navid Negahban)
• A.J. (Arron Shiver)