Claudia Cardinale as Jill

Henry Fonda as Frank

Jason Robards as 'Cheyenne'

Charles Bronson as 'Harmonica'

Gabriele Ferzetti as Morton

Paolo Stoppa as Sam

Woody Strode as Frank's Gunman

Jack Elam as Frank's Gunman

Keenan Wynn as Sheriff

Frank Wolff as Brett McBain

Lionel Stander as Innkeeper

Frank Braña as Frank's Gunman (uncredited)

Stefano Imparato as Patrick McBain (uncredited)

Claudio Mancini as Hanged Man (uncredited)

Al Mulock as Frank's Gunman (uncredited)

Antonio Palombi as Station Agent (uncredited)

Renato Pinciroli as Bidder (uncredited)

Aldo Sambrell as Cheyenne's Gunman (uncredited)

Conrado San Martín as McBain's Neighbor (uncredited)

Enzo Santaniello as Timmy McBain (uncredited)

Simonetta Santaniello as Maureen McBain (uncredited)

Luana Strode as Cattle Corner Woman (uncredited)

Fabio Testi as Frank's Gunman (uncredited)

Marco Zuanelli as 'Wobbles' (uncredited)

Antonio Molino Rojo as Frank's Gunman (uncredited)

Román Ariznavarreta as Logan (uncredited)

John Frederick as Jim (uncredited)

Aldo Berti as Frank's Gunman (uncredited)

Spartaco Conversi as Frank's Gunman (uncredited)

Saturno Cerra as Frank's Gunman (uncredited)

Paolo Figlia as Frank's Gunman (uncredited)

Dino Mele as Harmonica as a Boy (uncredited)

Simonetta Stefanelli as Maureen McBain (uncredited)

Regina Elena Bisio as Old Woman in the Tavern (uncredited)

Michael Harvey as Frank's Gunman (uncredited)

Jack English as Double For Frank/Henry Fonda (Monument Valley)

Joyce Gordon as Jill McBain (Voice) (Uncredited)

Bernard Grant as Mr. Morton (Voice) (Uncredited)

Edward Mannix as Vecino (Voice) (Uncredited)

Dan Sturkie as Wobbles (Voice) (Uncredited)