Calificación
Reparto

Mike Katz
Self - Mr. World 1973

Lou Ferrigno
Self - Mr. Universe 1974

Franco Columbu
Self - Mr. Olympia 1981

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)

Sylvester Stallone
Self

Bud Cort
Self (archive footage)