Samantha Joann Harper (née Boscarino; born December 26, 1994) is an American actress. She gained early attention for her role in the teen comedy film The Clique (2008), followed by her recurring role in the Disney Channel sitcom Good Luck Charlie (20102014), and her lead roles as Molly Garfunkel on the short-lived Nickelodeon series How to Rock (2012), and Ellie Davis in the 2016 television film The Cheerleader Murders.
Samantha Joann Boscarino was born on December 26, 1994, in Ventura County, California. She has an older sister named Lea, and is of Ecuadorian and Italian descent.
Her first notable role was as Alicia Rivera in the film The Clique, produced by Tyra Banks, and costarring Bridgit Mendler. In 2009, she appeared in The Perfect Game as Gloria Jimenez and in Jonas as Amy. Boscarino also appeared in Parenthood as Lindsay and True Jackson, VP as Carla Gustav. Boscarino also had a nine-episode recurring role in Good Luck Charlie as Skyler, reuniting her with Mendler. In mid-2010, she appeared as Lisa Cucuy in Wizards of Waverly Place. In 2011, she made an appearance on Bucket & Skinner's Epic Adventures as C.J.
In 2012, Boscarino was cast as Molly Garfunkel on the Nickelodeon series How to Rock. The series premiered on February 4, 2012, and ended on December 8, 2012. She made several appearances on Figure It Out as a panelist. In 2016, Boscarino was the lead in the Lifetime television film, The Cheerleader Murders, playing the role of Ellie.
In 2017, Boscarino began a relationship with her former Good Luck Charlie co-star Shane Harper. They married in 2025.