3 New Orleans
I did wonder about No. 3 as The Jazz Singer was famously the first film to use sound leaving audiences astounded when they actually heard Al Johnson singing.
I had that down as the answer, though, although I was leaving it until right at the end!
8 When Love Came to Gavin Burke
15 The Lodger
16 The Cameraman's Revenge
15 - The Mark of Zorro
16 - Tillie's Punctured Romance
17 - Steamboat Willy
17. I was going to have Steamboat Willie, but it's far from silent (at least the version I checked).
This is what I originally had and I'm repurposing it now!
8. - Steamboat Bill, Jr.
(Even though I have no idea if a Bill Williamson exists that would satisfy the clue).
Tortuous, and probably way off