Molly Caitlyn Quinn, born on October 8, 1993, in Texarkana, Texas, is an American actress known for her versatile roles in theatre, film, and television. She began her acting journey at the tender age of six, performing in a community production of The Nutcracker, which caught the attention of retired director and producer Martin Beck.

Martin Beck recognized her potential and started giving her weekly acting lessons. By the sixth grade, she had auditioned at the Young Actors Studio and, after six months of intensive training, signed with the Osbrink agency and Management 360.

Molly Quinn is best known for her role as Alexis Castle, the daughter of the title character on ABC's mystery drama series Castle, which aired from 2009 to 2016. Her portrayal of Alexis earned her widespread recognition and praise.

In addition to her television work, she has also lent her voice to several animated characters, most notably Princess Bloom in the Nickelodeon revival of Winx Club from 2011 to 2015. She initially tried a "cartoony" voice for Bloom but was advised by Nickelodeon to use her real voice instead, resulting in a more authentic performance.

Her filmography includes roles in movies such as Walk Hard: The Dewey Cox Story, Disney's A Christmas Carol, and Guardians of the Galaxy Vol. 2. She also took on the role of associate producer for the movie Hansel & Gretel Get Baked in 2013.

Her talent and dedication to her craft were recognized when she won the Best Newcomer, Short Film award at the Monaco International Film Festival in 2009 for her performance in The Sacrifice.

Molly Quinn is married to ABC network producer Elan Gale, and they adopted two pet dogs, Pikachu and Piper. She is known to be active on social media platforms like Instagram, where she shares updates about her work and personal life with her followers.