Raw Iron: The Making of 'Pumping Iron'

Arnold Schwarzenegger

Self

Lou Ferrigno

Self - Mr. Universe 1974

Franco Columbu

Self - Mr. Olympia 1981

George Butler

Self - Director

Reg Park

Self - Friend and mentor

Liev Schreiber

Self - Narrator (voice)

Sylvester Stallone

Self

Bud Cort

Self (archive footage)