Genevieve Knight Hannelius (born December 22, 1998) is an American actress and singer who made her acting debut starring as Courtney Patterson on the ABC series Surviving Suburbia (2009). She had recurring roles on the Disney Channel series Sonny with a Chance (2009–2010) and Good Luck Charlie (2010–2011), and soon received recognition for her role as Avery Jennings in the Disney Channel sitcom Dog with a Blog (2012–2015). She has also voiced Rosebud in the Air Buddies film series (2011–2013) and starred as Christa Carlyle in the crime series American Vandal (2017).

Early life Genevieve Knight Hannelius was born on December 22, 1998, in Boston, Massachusetts to Eric and Karla (née Knight) Hannelius. Her father is Swedish. She moved to Yarmouth, Maine at the age of three, and then moved to Los Angeles at the age of nine with her family to pursue acting. She is an alumna of the Los Angeles-based Young Actor's Studio. She graduated from Sierra Canyon School in May 2017. She graduated from Sarah Lawrence College in 2021. In January 2022, Hannelius moved to New York City, New York.

Acting career As a child, Hannelius had roles in theater, which include playing Madeline in the Children's Theater of Maine's production of Madeline's Rescue in summer 2006 and Jenny in Tales of a Fourth Grade Nothing with Children's Theatre of Maine and Maine State Music Theater. She began acting portraying Courtney Patterson on the sitcom Surviving Suburbia, playing the daughter of Bob Saget's character.Hannelius had a recurring role on the Disney Channel original series Sonny with a Chance as Dakota Condor, a guest role on Hannah Montana as a fan named Tiffany, and a recurring role on Good Luck Charlie as Jo Keener. She also played Emily Pearson in the Disney Channel movie Den Brother in 2010, and voiced the character Rosebud in Spooky Buddies (2011), Treasure Buddies (2012), and Super Buddies (2013).

In February 2011, she was cast for a lead role in the pilot of the High School Musical spin-off series Madison High, however the pilot was not picked up to series. In 2012, Hannelius was cast as Avery Jennings on the Disney Channel series Dog with a Blog, which premiered in October of that same year and ran until 2015; on average, it attained millions of viewers per episode. In 2014, she guest starred as Mad Mack on the Disney Channel series Jessie, and voiced Lady Joy on the Disney Junior series Sofia the First.

In 2017, Hannelius starred as Christina Carlyle in the Netflix mockumentary crime series American Vandal, which received critical acclaim and earned a Primetime Emmy Award nomination. In 2019, she starred in an online interactive series titled "Timeline". In 2020, she starred as Heather in the direct-to-video horror film Day 13. In 2022, she had a supporting role in the Netflix film Along for the Ride. In 2023, she starred in the comedy film Sid is Dead.

Other ventures Hannelius is an avid supporter of the anti-domestic violence charity organization A Window Between Worlds, and hosted its annual fundraising event, "Art in the Afternoon", several times beginning in 2013.

In 2015, Hannelius launched a customized nail-wrap app titled "Make Me Nails". Hannelius stated that she was inspired to create the app because she "wanted to make nail art more accessible for young people". She elaborated: "I was doing my own nail-art tutorials, and I could see that my fans were recreating my designs, and that was so cool to me. I wanted to take that to the next level and really give them something more personal." In 2019, Hannelius created G Polish, a brand of cruelty-free vegan nail polish.

Filmography

Film YearTitleRoleNotes2009Black & BlueZoe2010The Search for Santa PawsJanie2011Spooky BuddiesRosebudVoice role2012Treasure BuddiesSanta Paws 2: The Santa PupsCharity2013Super BuddiesRosebud2020Day 13Heather2022Along for the RideLeah2023Sid is DeadTiff

Television Year Title Role Notes 2009 Surviving Suburbia Courtney Patterson Main role Hannah Montana Tiffany Episode: "Jake... Another Little Piece of My Heart" Rita Rocks Brianna Boone Episode: "Why Can't We Be Friends?" 2009–2010 Sonny with a Chance Dakota Condor Recurring role (seasons 1–2), 6 episodes 2010 Den Brother Emily Pearson Disney Channel Original Movie 2010–2011 Good Luck Charlie Jo Keener Recurring role (seasons 1–2), 4 episodes 2011 I'm in the Band Ms. Dempsey Episode: "Iron Weasel: The Video Game" Love Bites Maddy Tinnelli Episode: "TMI" 2012–2015 Dog with a Blog Avery Jennings Lead role 2013 Fish Hooks Amanda Voice role Episode: "A Charity Fair to Remember" 2014 Jessie Mackenzie Episode: "Creepy Connie 3: The Creepening" Sofia the First Lady Joy Voice role Episode: "Sofia the Second" 2014–2015 Wander Over Yonder Little Bits Voice role Episodes: "The Stray" & "The Catastrophe" 2016 Roots Missy Waller Television miniseries Episode: "Part 2" 2017 American Vandal Christa Carlyle 6 episodes 2019 Timeline Marti Main role

Theater + Stage performances by Genevieve Hannelius Year Title Role Venue Notes 2024 Shit. Meet. Fan. Sam MCC Theater Off-Broadway

Discography Extended plays Title Details Girlhood Released: January 16, 2026 Format: Digital download, streaming, CD Label: Self-released

Singles Title Year Album "Staying Up All Night" 2011 rowspan="10" "Two in a Billion" "Just Watch Me" "Sun in My Hand" 2012 "Paper Cut" "Stay Away" 2014 "Moonlight" "4:45" "Friends Do" "Lighthouse" 2016 "Reckless" 2025 Girlhood "James" "Girlhood" "Stay Away" (2025 version) "The Woods" 2026 Girlhood

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