Another incredibly fast round. Hope you enjoyed it!
1. A D.C. lawyer, a Brooklyn bookkeeper, a New England sculptor.
Cher in Suspect, Moonstruck, and The Witches of Eastwick
Solved by Evn (comment #8).
2. A newly-married playwright, a paleontologist, an advertising executive mistaken for someone else.
Cary Grant in Arsenic and Old Lace, Bringing Up Baby, and North by Northwest
Solved by TehipiteTom (comment #3).
3. A pregnant social worker, an ambition advertising writer, a Chicago art dealer.
Jennifer Anniston in The Object of My Affection, Picture Perfect, and The Break-Up
Solved by Roberta (comment #4).
4. A London thug, the head of a ballet company, a time-traveling writer.
Malcolm Macdowell in A Clockwork Orange, The Company, and Time After Time
Solved by Melville (comment #1).
5. An historical figure of the Old West, a singer who has retired to devote herself to motherhood, a factory union representative.
Doris Day in Calamity Jane, The Man Who Knew Too Much, and The Pajama Game
Solved by Melville (comment #9).
6. A child molestor, a mad surgeon obsessed with an actress, a Soviet Commissar.
Peter Lorre in M, Mad Love, and Silk Stockings
Solved by TehipiteTom (comment #6).
7. A telepath, the mother of a kidnap victim, a murderer from the country of Georgia.
Famke Janssen in the X-Men movies, Don’t Say a Word, and GoldenEye
Solved by Evn (comment #8).