At age seven, Erin landed the role of Molly in the theater production of Annie and her career was launched in the UK. She was still in high school when she landed her first television role in the popular television series, "Taggart." Erin went onto attend The Royal Academy to study performing arts. Afterwards she went on to study business and media studies. Shortly after she landed a role in the award winning hit television series, "Footballers' Wives," which led to the launch of her successful career within acting. Soon, by combining her many contacts in the entertainment and modelling worlds with her intelligence, wit and determination, she created the Erin Gavin Talent Agency (EGA), which has become one of the United Kingdom's leading providers of models, dancers and Film & television background artists. Erin's career has had an eclectic career in motion pictures, television series, theatrical productions, print and live-action commercials. She's worked with a remarkable list of directors and actors, including David Schwimmer, Michelle Pfeiffer and Elijah Jordan Wood. Erin's most recent credits include starring as Marilyn Monroe in hit U.S. play Marilyn My Secret, Valerie in the thriller, "Dread," directed by Anthony DiBiasi, Rola in the comedy, "Junk," directed by Kevin Hamedani. She also starred and produced as Marilyn in Marilyn and Sinatra which toured the US and UK. Erin has recently received rave reviews for her performances as Marilyn Monroe and Marlene Dietrich. Erin Gavin met Sean Scott McCracken during her first stage play as Marilyn Monroe. At the time Sean played Bobby Kennedy. Shortly after they became off screen partners. Erin currently resides between Los Angeles, California and the United Kingdom. 
In addition to her acting career and owning successful UK companies, Erin has negotiated successful investment deals for motion pictures. These negotiations include the Karl Urban comic book adaptation and a successful video game for Tweens.
In 2019 Erin signed with Serdica Records (Classical contemporary) label and her first song 'I'm through with love' has been a global success. Erin's interpretation of the song 'Santa Baby' was scored on a global make up brand commercial along with Artist Trew's latest table book campaign. Erin is currently working on a collaboration for her next album as well as some original Marilyn Monroe's songs to finish her 1950s EP.

If Erin is not cultivating business deals then she spends her time doing Keynote speeches for the World Women Summit and The Worlds Largest Entrepreneur Convention in Silicon Valley.
 
Erin's hobble is martial arts in which she has a black belt in Shotokai Karate.
Erin became a Lady and United States Ambassador for her contributions in 2018.