More hints than usual, but we’re all solved now.
1. His character is sometimes referred to by reviewers as “Jack” because of medical literature he reads.
Hint: “I haven’t been fucked like that since grade school.”
Edward Norton’s character in Fight Club
Solved by Evn (comment #21).
2. His character is referred to only by the instrument he plays, which is referenced as initials in the credits.
The Bass Player (T.B. Player) in That Thing You Do!
Solved by Melville (comment #2).
3. His character is referred to only by a foul insult, which is referenced as initials in the credits.
Hint: Of the foul nickname, the character played by Jack Black says “It’s a name that’s going to stick.”
Billy Crudup as FH (Fuck-Head) in Jesus’ Son
Solved by Roberta (comment #28).
4. She is never named on-screen, even during her own wedding, but she is given a first name in the credits; film fans sometimes refer to her by first and last name, using the name from the novel.
Hint: Two Japanese actresses have important roles in this film. After filming began, they traded roles, because our (now nameless) actress didn’t speak English well enough to master her original role. These two actresses also appeared together the year before in a comedy by a very well-known director.
Kissy (aka Kissy Suzuki) in You Only Live Twice
Solved by Roberta (comment #26).
5. She is referred to only as Mrs., never by a first name, although her husband’s previous wife is referred to by first name.
The second Mrs. DeWinter in Rebecca
Solved by Roberta (comment #1).
6. It makes sense that this character is nameless; she is primarily the main character’s fantasy—even though she’s real, her role in the film is to be what he imagines a beautiful temptation to adultery should be like.
Marilyn Monroe as The Girl in The Seven Year Itch
Solved by Melville (comment #2).
7. This character is nameless in her first movie, but not in its sequel. In the several instances of her name being spoken in the first movie, it is bleeped out.
The Bride in Kill Bill Vol. I (where she is nameless) and Vol. II (where she is named)
Solved by Hazel (comment #3).
