Justin Timberlake and Amanda Seyfried other stars of new, sci-fi film “In Time” arrived at the movie's Los Angeles premiere Thursday sizzled in futuristic style.

Timberlake showed up for the Los Angeles premiere of ‘In Time’ looking sharp in a camel-colored suit with a brown shirt and eye-popping blue tie.

Co-star Amanda Seyfried looked equally impressive in a short purple and white frock with a low-cut back.

Timberlake, who plays an action hero in the science fiction thriller about a world in which time is literally money, had a special guest with him at Thursday's premiere: his on-again girlfriend, Jessica Biel.

The couple, who split in March after being together for four years, attended the Los Angeles premiere together and were seen getting affectionate towards each other, which sparked speculations of a rekindled romance.

In Time is a new sci-fi picture that tells the story of how overpopulation is controlled by how much time is left in each person's life. Time is the most sought after currency, meaning the rich can live for as long as they can afford to.

This is physically the hardest job I've ever done, including world tours . . . I don't even dance. I don't know what I'd call it, the 30-year-old star recently told Collider.

Held at the Regency Village Theater in Westwood, the premiere was also attended by the co-stars Olivia Wilde and Matthew Bomer, along with the film's director, Andrew Niccol (Gattaca, The Truman Show).

But still, I think it's the thing of, you know, you take a pro athlete: they warm up for an hour, they play a game for three hours, and then they go ice and they're done for a week. And they go next Sunday and they do the same thing. And we're on set for 10 hours, 12 hours and 10 of those some days we're running, Timberlake added.

In Time opens in theaters on Oct. 28. Scroll down for photos from the film's Los Angeles premiere.