Two For The Seesaw as a two character play by William Gibson ran for 750 performances in the 1958-1959 season and starred Henry Fonda and Anne Bancroft as the uptight Nebraska lawyer and the Greenwich Village bohemian who find each other in New York. Why they didn't wait to get the two leads for this film version is beyond me. Both certainly are movie names and Henry Fonda certainly had the Nebraska twang to play the part. As for Bancroft, she was just coming off her Oscar for The Miracle Worker.
When it comes to playing kookie people you can't do much better than Shirley MacLaine. She does a fabulous job, though in a few years the public might have demanded Barbra Streisand for the role. She holds her end up far better than her co-star.
In the Lee Server Robert Mitchum biography, Robert Wise said that this was one of the few times he ever directed a film where the casting was already set before he was hired. Mitchum is much too unconventional in his way to ever really be believable as a family values Republican type lawyer from the midwest. It was mentioned in the book that such folks as Glenn Ford or Gregory Peck would have been more believable.
However one thing did come out of it, a not so secret affair with Mitchum and MacLaine that did threaten the Mitchum marriage for a while. Lee Server also tells a story where both Malachy McCourt and Frank Sinatra visited the Two For The Seesaw set and went off on one fabulous drunk. You're talking about three professionals in that department.
For the screen a few side characters were added to flesh it out. What interest there is in Two For The Seesaw comes from the interest MacLaine and Mitchum had for each other.
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