Paul Newman as Frank Capua

Joanne Woodward as Elora

Robert Wagner as Lou Erding

Richard Thomas as Charley

David Sheiner as Leo Crawford

Clu Gulager as Larry

Barry Ford as Bottineau

Karen Arthur as Miss Dairy Queen

Bobby Unser as Himself

Tony Hulman as Himself

Bobby Grimalt as Himself (uncredited)

Dan Gurney as Himself (uncredited)

Roger McCluskey as Himself (uncredited)

Allen Emerson as Desk Clerk (uncredited)

Ray Ballard as Trombone Player (uncredited)

Harry Basch as The Stranger (uncredited)

John Bryant as Well-Wisher at Indy Victory (uncredited)

Robert Shayne as Well-Wisher at Indy Victory (uncredited)

Marianna Case as Motorcycle Girl (uncredited)

Tony Clayton as The Girl (uncredited)

Carolyn McNichol as Party Girl (uncredited)

Stephen Mitchell as Mechanic at Riverside (uncredited)

Paulene Myers as Cleaning Woman (uncredited)

Charles Seel as Eshovo (uncredited)

Alma Platt as Mrs. Eshovo (uncredited)

Robert Quarry as Sam Jagin (uncredited)

Maxine Stuart as Miss Redburne's Mother (uncredited)

Bruce Walkup as Driver No. 1 (uncredited)

Eileen Wesson as Miss Redburne (uncredited)