From Wikipedia
Thomas Carroll Neal Jr. (January 28, 1914 – August 7, 1972) was an American actor and boxer best known for appearing in the critically lauded film Detour (1945), for having a tryst with actress Barbara Payton, and for later committing manslaughter.
as Al Roberts in Detour (archive footage)
as Arch Clements
as Bert Grayson
as Joe
as Himself
as Tim Rawlings
as Edgar Spadely
as Lefty
as Joe Morelli
as Prosecuting Attorney
as Benson
as Tom Mallory
as Alfred V. du Pont
as Dr. Willoughby
as Charley Bowdry
as Gordon Rogers
as Mayor
as Mickey Moran
as John Williams