Butch Cassidy / Robert Parker
Mike Cassidy
The Sundance Kid / Harry Longabaugh
Etta Place
Kid Curry
Charles Siringo
Bob Meeks
Chas Schumacher
Fred
Marshall Pike
Deputy Marshall William
Mr. Goldman
Sheriff Mills
Hank Urich
Rhodes
Fireman
Miner
Train passenger
Train passenger (uncredited)
Town folk