Cahill: United States Marshal

Scott Walker

Ben Tildy

Dan Vadis

Brownie

Walter Barnes

Sheriff Grady

Hank Worden

Albert, Valentine Stationmaster

John Wayne

J.D. Cahill

Harry Carey, Jr.

Hank

Chuck Roberson

Leader of Bunch

Ralph Volkie

Storekeeper

Royal Dano

MacDonald

Paul Fix

Old Man

Denver Pyle

Denver

Rayford Barnes

Pee Wee Simser

George Kennedy

Abe Fraser

Neville Brand

Lightfoot

Pepper Martin

Hard Case

Jackie Coogan

Charlie Smith

Gary Grimes

Daniel "Danny" Cahill

Marie Windsor

Mrs. Hetty Green

Murray MacLeod

Deputy Sheriff Gordine

Morgan Paull

Struther

Hunter von Leer

Deputy Sheriff Jim Kane

Clay O'Brien

Billy Joe Cahill

James Nusser

Doctor Jones

Vance Davis

Negro

Kenneth Wolger

Old Man's Grandson (as Ken Wolger)