Charles Bronson as Wild Bill Hickok/James Otis

Jack Warden as Charlie Zane

Will Sampson as Crazy Horse/Worm

Kim Novak as Poker Jenny Schermerhorn

Clint Walker as Whistling Jack Kileen

Stuart Whitman as Winifred Coxy

Slim Pickens as Abel Pickney

John Carradine as Amos Briggs

Cara Williams as Cassie Ollinger

Shay Duffin as Tim Brady

Clifford A. Pellow as Pete Holt

Douglas Fowley as Amos Bixby

Ed Lauter as Tom Custer

Martin Kove as Jack McCall

Richard Gilliland as Corporal Kileen

Eve Brent as Frieda

Scott Walker as Gyp Hook-Hand

Ed Bakey as Ben Corbett

David Roya as Kid Jelly

Phil Montgomery as Wes Pugh

Linda Redfearn as Black Shawl

Chief Tug Smith as Old Worm

Douglas Hume as Aaron Pratt

Cliff Carnell as Johnny Varner

Ron Thompson as Frozen Dog Pimp

Joseph Roman as Silky Smith

Larry Martindale as Cheyenne Bar Man

Scott Bryson as Frozen Dog Miner

Gregory White as Frozen Dog Miner

Bert Williams as Paddy Welsh

Christopher Cary as Short Man (uncredited)

Bob Harks as Bar Patron (uncredited)

Dan Vadis as Tall Man (uncredited)