Raw Iron: The Making of 'Pumping Iron'

George Butler

Self - Director

Joe Weider

Self - Bodybuilding Publisher

Bill Grant

Self - Mr. America 1971

Ken Waller

Self - Mr. Universe 1975

Reg Park

Self - Friend and mentor

Ed Corney

Self

Matty Ferrigno

Self (archive footage)

Liev Schreiber

Self - Narrator (voice)