All the glittering stars at the premiere of A Complete Unknown | In photos including Timothée Chalamet, Elle Fanning and Zooey Deschanel

London, December 17: The stars of A Complete Unknown were joined by a surprise guest at a screening in London: Tom Cruise!

Cruise dropped in on the screening on December 17, greeting the stars and posing with them for photos.

Here, the Top Gun star is pictured with Elle Fanning; he once starred with her sister Dakota Fanning in 2005 movie War of the Worlds.

Fanning continued the ’60s-inspired style aesthetic she’s been rocking throughout the press tour, with this chic all-black ensemble.