Amanda Joy Michalka (born April 10, 1991) is an American actress, voice actress, singer, and musician. She is best known as one half of the musical duo Aly & AJ (briefly 78violet), alongside her sister Aly Michalka. She has appeared in films such as The Lovely Bones (2008), Secretariat (2010), Super 8 (2011), Grace Unplugged (2013), Weepah Way for Now (2015), and Support the Girls (2018). Michalka also starred in the ABC sitcom The Goldbergs (2013–present) and its spin-off series Schooled (2019–2020). She is also known for voicing a lead role as Catra in the Netflix animated adventure series She-Ra and the Princesses of Power (2018–2020).

Filmography

• 2022Ray Donovan: The Movie — Young Abby
• 2020Joan of Arc on the Dancefloor — AJ
• Schooled — Lainey Lewis
• She-Ra and the Princesses of Power — Catra (voice)
• 2018Support the Girls — Krista
• 2017Apple of My Eye — Kai
• The Good Doctor — Nelly Dunn
• 2016Dirty Lies — Tiffiny
• 2015Weepah Way For Now — Joy, Producer
• 2014Angels in Stardust — Vallie Sue
• 2014Expecting Amish — Hannah
• Silicon Valley — Charlotte
• 2013Grace Unplugged — Gracie Trey
• Motive — Emily Williams
• Steven Universe — Stevonnie (voice)
• The Goldbergs — Lainey Lewis
• 2011Salem Falls — Gillian Duncan (as AJ Michalka)
• 2011Super 8 — Jen Kaznyk
• 2010Secretariat — Kate Tweedy
• 2010Slow Moe — Emily Phillips
• 2009The Lovely Bones — Clarissa
• 2007Super Sweet 16: The Movie — Sarah
• 2006Cow Belles — Courtney Callum
• Phil of the Future
• Oliver Beene — Bonnie
• Birds of Prey — Young Dinah
• Six Feet Under — Ashley
• The Guardian — Shannon Gressler

Appearances as themselves (14)

• 2021Aly & AJ: Live at The Theatre at Ace Hotel — Self
• The Kelly Clarkson Show — Self
• Battle of the Network Stars — Self
• Full Frontal with Samantha Bee — Self - Musical Guest
• 2016The Goldbergs: An '80s Rewind — Herself / Lainey Lewis
• Celebrity Family Feud — Self
• 2006Aly & AJ: On The Ride — Herself
• America's Got Talent — Self - Performer
• 2006Radio Disney Party Jams: The Concert — Self
• The Megan Mullally Show — Self - Guest
• 2006Walt Disney World Christmas Day Parade — Self
• 2005Disneymania 3 in Concert — Self
• 2005Walt Disney World Christmas Day Parade — Self
• The View — Self