On Thursday, the 53-year-old actress shared a post on her Instagram Stories, in which she mourned the passing of Mortensen, calling him "one of the bright lights" on the set of the award-winning AppleTV+ series.
"This past week we suddenly and tragically lost Gunnar Mortensen," Aniston wrote alongside photos of Gunnar with his wife and son.
Gunnar is survived by his wife, Keely, and his 2-year-old son, Lars," the statement added.
Per the outlet, there were no other vehicles involved in the accident, and it's still under investigation.
n memory of Gunnar, Local 600 has set up this GoFundMe page to help raise funds for his family at this difficult time. We encourage you to donate if you can.
The guild shared a statement in the fundraiser's description, revealing that Mortensen "died on Monday, July 4, from injuries sustained from a motorcycle accident.