Sam Worthington: Costco with Crystal Humphries

Sam Worthington heads back to his car after shopping at Costco on Sunday (April 29) in Hawaii.

The 35-year-old actor, joined by girlfriend Crystal Humphries, also stopped by Walmart to pick up some essentials.

PHOTOS: Check out the latest pics of Sam Worthington

Sam, who most recently appeared in Wrath of the Titans, also has Drift out this year.

The drama co-stars Xavier Samuel and centers around two brothers who “battle killer waves, conservative society, and ruthless bikers to kick-start the modern surf industry.”