John Wayne

Character: Reuben J. "Rooster" Cogburn

Kim Darby

Character: Mattie Ross

Glen Campbell

Character: "La Boeuf"

Jeremy Slate

Character: Emmett Quincy

Robert Duvall

Character: Ned Pepper

Dennis Hopper

Character: "Moon"

Alfred Ryder

Character: Goudy

Strother Martin

Character: Colonel G. Stonehill

Jeff Corey

Character: Tom Chaney

Ron Soble

Character: Captain Boots Finch

James Westerfield

Character: Judge Parker

John Fiedler

Character: Lawyer Daggett

John Doucette

Character: "Sheriff"

Donald Woods

Character: "Barlow"

Edith Atwater

Character: Mrs. Floyd

Carlos Rivas

Character: "Dirty Bob"

Isabel Boniface

Character: Mrs. Bagby

H.W. Gim

Character: Chen Lee

John Pickard

Character: Frank Ross

Elizabeth Harrower

Character: Mrs. Ross

Ken Renard

Character: Yarnell

Jay Ripley

Character: Harold Parmalee

Kenneth Becker

Character: Farrell Parmalee

Wilford Brimley

Character: Minor Role (uncredited)

Chuck Hayward

Character: Card Player / Raft Man (uncredited)

Leon Alton

Character: Boarding House Guest (uncredited)

Forrest Burns

Character: Courtroom Spectator (uncredited)

Albert Cavens

Character: Boarding House Guest (uncredited)

Gene Coogan

Character: Boarding House Guest (uncredited)

Myron Healey

Character: Deputy at Prisoner Unloading (uncredited)

James McEachin

Character: Judge Parker's Bailiff (uncredited)

Dennis McMullen

Character: Bailiff (uncredited)

Boyd 'Red' Morgan

Character: Red - Ferryman (uncredited)

Robin Morse

Character: Bit Part (uncredited)

Edna O'Dell

Character: Boarding House Guest (uncredited)

John Pedrini

Character: Boarding House Guest (uncredited)

General Sterling Price

Character: Ginger Cat (uncredited)

Stuart Randall

Character: McAlester (uncredited)

Clark Ross

Character: Courtroom Spectator (uncredited)

Connie Sawyer

Character: Talkative Woman at Hanging (uncredited)

Jeffrey Sayre

Character: Courtroom Spectator (uncredited)

Jay Silverheels

Character: Condemned Man at Hanging (uncredited)

Dean Smith

Character: Minor Role (uncredited)

Vincent St. Cyr

Character: Gaspargoo (uncredited)

Max Wagner

Character: Courtroom Spectator (uncredited)

Guy Wilkerson

Character: The Hangman (uncredited)

Chalky Williams

Character: Courtroom Spectator (uncredited)

Hank Worden

Character: R. Ryan - Undertaker (uncredited)