Thandie Newton "hates" it when people recognise her and can't remember the films she's starred in.

The 38-year-old actress uses public transport because passersby will not expect her to be on a bus, but she feels "less than nothing" when she is spotted by someone who struggles to recall her movies.

She told Stella magazine: "On public transport people don't expect to see me so it's fine. And if they do come up, like this lovely guy in Pret A Manger yesterday, and say, 'Oh, I really love that movie you did,' you are two equals having a conversation.

"But when it's, 'You're that one off... or, 'Are you famous?' I hate that. I become less than nothing."

Thandie - who has two daughters, Ripley, 11, and seven-year-old Nico - gets away from her personal life by making movies because she feels tends to "feel watched all the time" whenever she walks down the street.

She added: "When I am out and about I feel watched. It's become second nature. The only time I get to be private is in my work.

"That is when I liberate the ego. The blessed-out sensation of liberating the ego."