M_B_4 is American Psycho?
Madeleine Carroll was big, in her day. Her day was a long time ago.
Ok bonus points for this one: I_L_5 “Everything I needed to know about slaves I learned from Lillian Gish”
BBF_3&4 guessed correct: The Quick and the Dead, and Usual Suspects, respectively.
BBF_5: Everything I need to know about flight, I learned from Bobby Driscoll.
BBF_6: Everything I need to know about archery, I learned from Cary Elwes.
BBF_7: Everything I need to know about introductions, I learned from Paul Bettany.
Holy Cats! The Allnighter? WOW.
Oh yes. Bourbon and Martin Landau was North by Northwest.
BBF_6 Robin Hood Men inTights
Ok, whoever gets this is the most cultured cinemateur EVER. NO IMDB>
I_L_6 “Everything I needed to know about taking off my hat, I learned from William K. L. Dickson.”
Yes, I know mine are starting to get ridiculous. 
P_2 “Everything I needed to know about writing fiction I learned from Selma Blair.”
P_3 "Everything I needed to know about dealing with high school bullies I learned from Christian Slater.
You said M_B_1 was right, but there were two shots. Was it Medicine Man or Forrester?
BBF_6 guess correctly.
P_3: Heathers?
P_3 Gleaming the Cube?
ya got P_3 there, BuckleberryFerry!
Sweep:
I_L_1 “Everything I need to know about going to prison, I learned from Henry Fonda”
P_1 “Everything I needed to know about being fat and greedy I learned from Maury Chaykin.”
I_L_2 “Everything I needed to know about lovebirds I learned from Veronica Cartwright”
Z_2 “Everything I needed to know about being a revival preacher I learned from Jean Simmons.”
I_L_3 “Everything I needed to know about espionage I learned from Madeleine Carroll”
BBF_3: All I need to know about shootouts at high noon, I learned from Leonardo DiCaprio.
BBF_5: Everything I need to know about flight, I learned from Bobby Driscoll.
BBF_7: Everything I need to know about introductions, I learned from Paul Bettany.
I_L_5 “Everything I needed to know about slaves I learned from Lillian Gish”
I_L_6 “Everything I needed to know about taking off my hat, I learned from William K. L. Dickson.”
P_2 “Everything I needed to know about writing fiction I learned from Selma Blair.”
P_3 "Everything I needed to know about dealing with high school bullies I learned from Christian Slater.
BBF_5 Peter Pan?
Zeldar got BBF_3 with “The Quick and the Dead,” and I got P_3 with “Heathers.”
BBF_7 A Beautiful Mind?
Zeldar, How long 'til the Sopranos?
P_4 “Everything I needed to know about infidelity I learned from Maggie Cheung.”
Medicine Man. Sorry.
…Zeldar also got BBF_5 with “Peter Pan.” Well done, I was hoping to trip people up with that one.
P_4 In the Mood for Love