Sophia Loren felt uncomfortable working with Daniel Day-Lewis on movie musical Nine - because the actor is "scary" and "intimidating".
The actress appears alongside a stellar line-up including Penelope Cruz, Nicole Kidman and Dame Judi Dench in the upcoming film.
But it was Day-Lewis who made Loren nervous - because she felt overshadowed by his acting ability.
She says, "Daniel is incredible. He is hypnotic, magical, beautiful and brilliant; but he is also very scary.
"Every time I did a scene with him he was so deep and so real that it was almost intimidating."
The movie follows famous film director Guido Contini struggles to find harmony in his professional and personal lives, as he engages in dramatic relationships with his wife, his mistress, his muse, his agent, and his mother.
Nine is released 18th December.
Tagged in Sophia Loren Daniel Day-Lewis