Tom Cruise "Amazing" While Filming Post-Split Flick: "He's Very Professional," Says Costar

Exclusive! Get the scoop on actor's first film after divorcing from ex Katie Holmes

If Tom Cruise was upset about his divorce from Katie Holmes while filming his upcoming flick Oblivion, he sure didn't show it.

"He's amazing!" Cruise's Oblivion costar Olga Kurylenko told us at last night's InStyle Summer Soiree at the London West Hollywood hotel. "I was impressed...when he comes on set, he gives you so much energy, you don't even need to drink coffee."

"He lights everyone up," Kurylenko gushed. "He's like a sparkle. He's a very generous partner. He gives a lot."

In the sci-fi flick, Cruise plays one of the last men on a mostly uninhabited, futuristic Earth who must protect the world from aliens. Kurylenko plays Cruise's love interest and was even spotted smooching the 50-year-old actor last month while the two were filming in Mammoth, Calif.

"It's going to be very romantic," the gorgeous Ukrainian actress teased. "It's sci-fi, but there's romance."

Despite his movie star status, Cruise was nothing but humble while filming. "He's very professional," Kurylenko said. "He's very nice. Very polite to people."

Kurylenko even got to meet Cruise and Holmes' daughter Suri when she visited her dad on set (pre-split). "She's so sweet!" she smiled. "She's so adorable."