Studio System, The / commentary by: Robert Altman, Clint Eastwood, Harrison Ford, Spike Lee, George Lucas, Sidney Lumet, Julia Roberts, Martin Scorsese, Gene Siskel, Steven Spielberg, Oliver Stone, Quentin Tarrantino...and many more!, Film in the television age [Videorecording] ; A New York Center for Visual History Production in co-production with KCET and the BBC ; executive producer: Lawrence Pitkethly ; major funding by The Annenberg/CPB Project, The National Endowment for the Humanities, and The National Endowment for the Arts ; additional funding from the PBS/CPB Challenge Fund, the Meadows Foundation, the Fran and Ray Stark Foundation, Hugh M. Hefner, and Steven Spielberg