Claudia Cardinale
Jill
Henry Fonda
Frank
Jason Robards
'Cheyenne'
Charles Bronson
'Harmonica'
Gabriele Ferzetti
Morton
Paolo Stoppa
Sam
Woody Strode
Frank's Gunman
Jack Elam
Frank's Gunman
Keenan Wynn
Sheriff
Frank Wolff
Brett McBain
Lionel Stander
Innkeeper
Frank Braña
Frank's Gunman (uncredited)
Stefano Imparato
Patrick McBain (uncredited)
Claudio Mancini
Hanged Man (uncredited)
Al Mulock
Frank's Gunman (uncredited)
Antonio Palombi
Station Agent (uncredited)
Renato Pinciroli
Bidder (uncredited)
Aldo Sambrell
Cheyenne's Gunman (uncredited)
Conrado San Martín
McBain's Neighbor (uncredited)
Enzo Santaniello
Timmy McBain (uncredited)
Simonetta Santaniello
Maureen McBain (uncredited)
Luana Strode
Cattle Corner Woman (uncredited)
Fabio Testi
Frank's Gunman (uncredited)
Marco Zuanelli
'Wobbles' (uncredited)
Antonio Molino Rojo
Frank's Gunman (uncredited)
Román Ariznavarreta
Logan (uncredited)
John Frederick
Jim (uncredited)
Aldo Berti
Frank's Gunman (uncredited)
Spartaco Conversi
Frank's Gunman (uncredited)
Saturno Cerra
Frank's Gunman (uncredited)
Paolo Figlia
Frank's Gunman (uncredited)
Dino Mele
Harmonica as a Boy (uncredited)
Simonetta Stefanelli
Maureen McBain (uncredited)
Regina Elena Bisio
Old Woman in the Tavern (uncredited)
Michael Harvey
Frank's Lieutenant (uncredited)
Jack English
Double For Frank/Henry Fonda (Monument Valley)
Joyce Gordon
Jill McBain (Voice) (Uncredited)
Bernard Grant
Mr. Morton (Voice) (Uncredited)
Edward Mannix
Vecino (Voice) (Uncredited)
Robert Dryden
Cattle Corner Station Agent (Voice) (Uncredited)