Bette Davis, Edmund Goulding, Geraldine Fitzgerald. DARK VICTORY
Is there any star who didn’t smoke?
Warren William, Cecil B. DeMille, Claudette Colbert.CLEOPATRA
Claudette’s vamping!
Olivia de Havilland, Rita Hayworth. THE STRAWBERRY BLONDE
Monty Woolley, Bette Davis. THE MAN WHO CAME TO DINNER
Gene Kelly, Van Johnson, Howard Keel.
Not sure who’s visiting who, but it looks like BRIGADOON and SEVEN BRIDES FOR SEVEN BROTHERS, maybe filming on adjacent sets?
Grace Kelly, Clark Gable.MOGAMBO
Lunch break on THE NAKED SPUR.
Right to left, James Stewart, Janet Leigh, Robert Ryan, Millard Mitchell, Ralph Meeker and – the chap at the end looks like Tony Curtis but probably isn’t.
James Wong Howe, Vincent Sherman, Robert Alda, Ann Sheridan. THE MAN I LOVE.
Joan Crawford sitting on a barrel, with pooch. JOHNNY GUITAR
Cary Grant, Deborah Kerr. AN AFFAIR TO REMEMBER
Vienna's Classic Hollywood 
Vienna! Re “The Naked Spur” picture. The man at the end of the line probably is Tony Curtis, given that he and Janet Leigh, the star of the movie, were married at the time. Plus, it certainly looks like him (at least, from a distance).
Good point, Joe.