John Astin as Evil Roy Slade

Mickey Rooney as Nelson L. Stool

Dick Shawn as Marshal Bing Bell

Henry Gibson as Clifford

Dom DeLuise as Logan Delp

Edie Adams as Flossie

Pamela Austin as Betsy Potter

Milton Berle as Harry Fern

Arthur Batanides as Lee

Larry Hankin as Snake

Robert Liberman as Preacher

Ed Cambridge as Smith

Connie Sawyer as Aggie Potter

Alice Nunn as Claire Beckendorf

Pat Morita as Turhan

Luana Anders as Alice Fern

Billy Sands as Randolph Sweet

Milton Frome as Clerk

Leonard Barr as Crippled Man

Jim Wagerman as Cellist

Al Beaudine as Party Guest (uncredited)

Ed Begley Jr. as Husband Making Fun of Stool (uncredited)

Pat Buttram as Narrator (voice) (uncredited)

Sharon Cintron as Young Woman Kissed During Bank Robbery (uncredited)

Billy Curtis as Toy Cowboy (uncredited)

Michael DiMente as Young Evil Roy Slade (uncredited)

Mel Gold as Wedding Guest (uncredited)

Bart Greene as Townsman (uncredited)

Raven Grey Eagle as Indian (uncredited)

George Holmes as Bank Teller (uncredited)

Joseph La Cava as Bank Customer (uncredited)

Penny Marshall as Bank Teller (uncredited)

Jerry Paris as Souvenir Salesman (uncredited)

Joe Phillips as Deputy (uncredited)

Charlie Picerni as Gang Member (uncredited)

John Ritter as Priest (uncredited)

Jerry Schumacher as Bank Guard (uncredited)

Ron Stein as Wedding Guest (uncredited)

George Tracy as Deputy (uncredited)

Sid Troy as Townsman (uncredited)

Max Wagner as Townsman (uncredited)