I've been meaning to watch this one for ages. John Huston directed and co-adapted Tennessee Williams's play. The cast is stellar. A reference in A Good Scent from a Strange Mountain prompted me to dig it up. In black-and-white and two sittings.
Sort-of-defrocked Reverend of the Gospel Richard Burton is chaperoning (really, being chaperoned by) a group of Baptist ladies from Texas led by Grayson Hall (cast precisely to type I'd expect) touring Mexico circa 1963. (Burton also played a priest in the contemporaneous Becket.) He brings them to a resort on a hill near the sea at Puerto Vallarta where good friend and recently-bereaved Ava Gardner holds court and has a blast. Later on quick-sketch artist and spinster Deborah Kerr arrives with her poetic grandfather and provides spiritual consolations to go along with the boozy ones. (I can just imagine her in The King and I.) Sue Lyon does over the willful Lolita role. None of the ladies can help themselves. Burton has never been funnier, perhaps because the Liz and Dick show was in town and going strong for the duration of filming.
Bosley Crowther at the time. I think he got it about right, but for me the stakes were lower.