Lea Mathilde Skar-Myren is the first daughter of Ane-Marthe Solheim Skar, a researcher at NKVTS, and Pål Myren. At age 8, she debuted as an actress on NRK. She later persuaded to become the lead role in the drama Jenter (2013). After graduating at Hartvig Nissen School, in 2020, she landed a lead role in Familien Lykke (2020). The following year she worked as a fashion model for the brand Also Worldwide, made her first film appearance in addition to having a solo performance in a music video.