A great second choice is Age Of Adeline

Gentleman's Agreement 1947 and my remake script not yet produced with a woman in the lead role not another Gregory Peck casting

Lost In Translation is one I keep coming back to.

Too many. "Favourite" has lost its meaning in regards to movies.

But here's three (while limiting myself to movies that I've not yet mentioned in other posts).

They don't make comedies like these anymore. Comedies of today are either slapstick or romantic comedies.

1: Dirty Rotten Scoundrels (Michael Caine and Steve Martin). That Rupert the monkey boy scene was a laugh.

2: Bowfinger (Martin and Eddie Murphy) - The perseverance and determination of bumbling producer/director Steve Martin to make "movie magic" against all odds (and against talent) is what "sold" this movie to me. The funny performances of Martin and Murphy and everyone else (especially the illegal Mexicans they hired to crew their movie) made this memorable.

3: Life (Murphy and Martin Lawrence) - Ray's Boom Boom Room scene.

I’m a big fan of Harold and Maude,
of Rosencrantz and Guildenstern are Dead
and of The Adventures of Buckaroo Banzai Across the 8th Dimension