A few days ago, four in-depth interviews conducted by Tom Weaver with co-stars from Elvis films were republished on qctimes.com after their initial publication in 2021 and 2022. I think they are really worth reading. So for all those who don't know these interviews yet, or want to read them again:
James Drury on Elvis and Love Me Tender (1956) By Tom Weaver
Jeremy Slate on Elvis Presley An Interview by Tom Weaver
Will Hutchins on Elvis, Spinout (1966) and Clambake (1967) An Interview by Tom Weaver
Marlyn Mason with Elvis in The Trouble with Girls