Barbra Streisand in 1964 was still a curiosity, and probably raised more than a few industry eyebrows when CBS signed her to 10-year, $5 million television deal (nothing these days)
 but it's hard to imagine her as a great actress. She's not great in movies, but she's great as an actress, too.
 and she was a star. She was also a great actress, but she had a lot of problems with her acting. Her character was so over-the-top, she could not act. The only reason she did not get a big screen role was because she didn't have the talent to do it. I think that was the reason why she got a role in the first place. It was her first big role, so she would have been a good choice for the part. But she wasn't great in it, either.