Hardcore (1979) George C. Scott Paul Schrader “Oh my God, that’s my daughter.”

A conservative Midwest businessman ventures into the sordid underworld of pornography in California to look for his runaway teenage daughter who is making porno films in the porno pits of Los Angeles.

-IMDb

http://www.youtube.com/watch?v=5yU61GtjFN8

http://www.youtube.com/watch?v=fm1osJ9Lgm0

http://www.youtube.com/watch?v=QlnmahJ8xF8