Shortly after shooting West Side Story, one of the most iconic roles of her career, she had a tough time recovering from Brando's emotional abuse and philandering.
So much so that she tried to end her own life by swallowing sleeping pills.
"It was humiliating and I was letting him step all over me," Moreno confessed. "I wanted to get rid of myself because I didn't think I deserved to live."
Thankfully, she survived and sought out professional help.
At the time of the interview, she believed that she was one of the most terrific 89-year-olds she knew.