Santiago Felipe / Getty Images Saturday Night Live writer Jimmy Fowlie has asked followers to help find his missing sister, Christina Lynn Downer. Downer was last seen in the Koreatown neighborhood of Los Angeles and has not posted on her social media since December 15. Fowlie, who has also had roles in The Other Two and English Teacher , posted on Instagram on Saturday “My sister is still missing. This is not like her, she’s never gone off the grid like this.” Fowlie invited followers to share his sister’s photo online and print copies of the flyer and post them around L.A. “Someone has seen her or knows something,” he said. Fowlie said he last heard from his sister on Nov. 26. He previously posted a photo of his sister with her miniature pinscher Rex, stating that “if you see her chances are he’d be with her.” Fowlie’s posts have been supported by SNL cast members Kenan Thompson and Chloe Fineman, as well as Hacks stars Hannah Einbinder and The Other Two’s Drew Tarver. Actor John Stamos also shared Fowlie’s post on his Instagram stories, writing “My friend’s sister is missing, and they could use our help right now ❤️.” Anyone who has information regarding Downer’s location should call the LAPD’s Missing Persons Unit at 213-996-1800 or www.lacrimestoppers.org, her case number is 25237639. View this post on Instagram Read it at Deadline Read more at The Daily Beast.