13 films with no opening credits:

1. Around the World in Eighty Days (1956)
2. Fast Five
3. Solaris (2002)
4) Star Wars
5) Robocop 2
6) Let Me In
7) How to Train Your Dragon (so says my son)
8) The Dark Knight
9) Timeline (2003)
10) Captain America: The First Avenger (my son again)
11) Transformers 3
12) Trespass (2011)

13 films featuring a major acting role from a performer primarily known as a singer/musician (no musicals or music performance scenes within the film, song(s) on soundtrack OK, list each performer only once):

1) Moonstruck (Cher)

13 films featuring a major acting role from a performer primarily known as a singer/musician (no musicals or music performance scenes within the film, song(s) on soundtrack OK, list each performer only once):

1) Moonstruck (Cher)
2) Pure Country (George Strait)
3) Mes nuits sont plus belles que vos jours (My Nights Are More Beautiful Than Your Days) (Jacques Dutronc)

13 films featuring a major acting role from a performer primarily known as a singer/musician (no musicals or music performance scenes within the film, song(s) on soundtrack OK, list each performer only once):

1) Moonstruck (Cher)
2) Pure Country (George Strait)
3) Mes nuits sont plus belles que vos jours (My Nights Are More Beautiful Than Your Days) (Jacques Dutronc)
4) The Manchurian Candidate (Frank Sinatra)
5) L'Homme du train (The Man on the Train) (Johnny Hallyday)

13 films featuring a major acting role from a performer primarily known as a singer/musician (no musicals or music performance scenes within the film, song(s) on soundtrack OK, list each performer only once):

1) Moonstruck (Cher)
2) Pure Country (George Strait)
3) Mes nuits sont plus belles que vos jours (My Nights Are More Beautiful Than Your Days) (Jacques Dutronc)
4) The Manchurian Candidate (Frank Sinatra)
5) L'Homme du train (The Man on the Train) (Johnny Hallyday)
6) The Imaginarium of Doctor Parnassus (Tom Waits)
7) Dune (Sting)

13 films featuring a major acting role from a performer primarily known as a singer/musician (no musicals or music performance scenes within the film, song(s) on soundtrack OK, list each performer only once):

1) Moonstruck (Cher)
2) Pure Country (George Strait)
3) Mes nuits sont plus belles que vos jours (My Nights Are More Beautiful Than Your Days) (Jacques Dutronc)
4) The Manchurian Candidate (Frank Sinatra)
5) L'Homme du train (The Man on the Train) (Johnny Hallyday)
6) The Imaginarium of Doctor Parnassus (Tom Waits)
7) Dune (Sting)
8) Rio Bravo (Dean Martin & Ricky Nelson)
9) The Oscar (Tony Bennett)

13 films featuring a major acting role from a performer primarily known as a singer/musician (no musicals or music performance scenes within the film, song(s) on soundtrack OK, list each performer only once):

1) Moonstruck (Cher)
2) Pure Country (George Strait)
3) Mes nuits sont plus belles que vos jours (My Nights Are More Beautiful Than Your Days) (Jacques Dutronc)
4) The Manchurian Candidate (Frank Sinatra)
5) L'Homme du train (The Man on the Train) (Johnny Hallyday)
6) The Imaginarium of Doctor Parnassus (Tom Waits)
7) Dune (Sting)
8) Rio Bravo (Dean Martin & Ricky Nelson)
9) The Oscar (Tony Bennett)
10) Ocean's 11 (Sammy Davis Jr.)
11) Slingblade (Dwight Yoakam)

13 films featuring a major acting role from a performer primarily known as a singer/musician (no musicals or music performance scenes within the film, song(s) on soundtrack OK, list each performer only once):

1) Moonstruck (Cher)
2) Pure Country (George Strait)
3) Mes nuits sont plus belles que vos jours (My Nights Are More Beautiful Than Your Days) (Jacques Dutronc)
4) The Manchurian Candidate (Frank Sinatra)
5) L'Homme du train (The Man on the Train) (Johnny Hallyday)
6) The Imaginarium of Doctor Parnassus (Tom Waits)
7) Dune (Sting)
8) Rio Bravo (Dean Martin & Ricky Nelson)
9) The Oscar (Tony Bennett)
10) Ocean's 11 (Sammy Davis Jr.)
11) Slingblade (Dwight Yoakam)
12) Performance (Mick Jagger)
13) True Grit (Glen Campbell)

Someone else can start a new topic.