Alyson Renae "Aly" Michalka (born March 25, 1989), often credited as Aly, is an American actress, singer-songwriter, and musician. Michalka gained fame for playing the role of Marti Perkins in the CW cheer leading television drama Hellcats. She was also known for her roles as Keely Teslow in the Disney Channel original series Phil of the Future, Charlotte Barnes in the film Bandslam, Taylor Callum in the Disney Channel Original Movie Cow Belles, Rhiannon Abernathy in the Golden Globe-nominated teen film Easy A and as Tracy Morgan in the thriller, The Roommate. She is also known as one-half of the musical duo Aly & A.J. (formerly 78violet) with her sister Amanda Michalka. She's currently in a recurring role on CW's iZombie.
- Now You See It... (2005) as Allyson Miller
- Cow Belles (2006) as Taylor Callum
- Bandslam (2009) as Charlotte Barnes
- Easy A (2010) as Rhiannon Abernathy
- The Roommate (2011) as Tracy Long
- Crazy Kind Of Love (2013) as Janine
- Grown Ups 2 (2013) as Savannah
- Weepah Way For Now (2015) as Elle
- The Lears (2017) as Regan Lear
- Phil of the Future (2004 — 2006) as Keely Teslow
- Punk D (2007) as Herself
- Hellcats (2010 — 2011) as Marti Perkins
- CSI: NY (2011) as Miranda Beck
- Breaking In (2012) as Heather Young
- Two and a Half Men (2013 — 2014) as Brooke
- Anger Management (2014) as Lauren
- iZombie (2015 — 2019) as Peyton Charles
- Cupcake Wars (2016) as Herself
- Motive (2016) as Chloe Wilson
- MacGyver (2016) (2016 — 2018) as Frankie
- Hell's Kitchen (2018) as Herself
- The Cast Show Off: Hellcats allowed her to not just show off her physical agility but also her vocal chops (compare Tisdale sharing a number with 3OH!3 to Michalka having whole solos). Especially when her sister came onto the show.
- Idol Singer: Alongside her sister Amanda as part of 78violet.
- Ms. Fanservice: As Marti in Hellcats, as well as her photoshoot for Maxim. Not to mention her Shower Scene in The Roommate.
- She Is All Grown Up: Who knew that Keely will turn out to be hot in the future?
- Statuesque Stunner: She's gorgeous and stands 5'8" (1.73 m) tall.