Old romantic Dustin Hoffman planted a smacker on his co-star Emma Thompson when they were reunited at the premiere of Last Chance Harvey.

Hoffman - famous for roles in The Graduate and Rain Man - joked with fans and kissed his co-star on the cheek on the red carpet in London's Leicester Square.

Romantic comedy: Dustin Hoffman and Emma Thompson on the red carpet

He admitted he jumped at the chance to work again with Thompson, 50, with whom he previously starred in Stranger Than Fiction in 2006.

"It's a gift to be able to work with her, it's a pleasure. She's so charming and quick-witted."

Hoffman, 71, admitted he is a romantic at heart, saying: "I can only say I never tire of pulling a chair out for my wife or any other person, or of helping anyone out of their coats. You do this stuff, you're enjoying life."

In the film, Hoffman plays hapless New Yorker Harvey Shine, who befriends Thompson's character Kate.

The romantic film is written and directed by Briton Joel Hopkins, whose acclaimed debut Jump Tomorrow landed him a 2002 Bafta for most promising newcomer.

The supporting cast includes Dame Eileen Atkins, Liane Balaban, James Brolin, Kathy Baker and Richard Schiff.

The film, set in London, was nominated for a Golden Globe in the comedy-musical category. It is released nationwide on Friday.

Gallery: Last Chance Harvey premiere