The son of actors Andrzej and Anna Musiał,[1] he began his acting career at an early age with a cameo appearance in a 2004 episode of the long-running Polish soap opera Plebania.

He was later cast as a series regular in Ojciec Mateusz (2008–2011), but his big break came with the role in Rodzinka.pl (2011–2020), which established him as a teen idol in Poland.

[2] As his popularity continued to grow, he began co-presenting The Voice of Poland, and had a lead role in the feature film My Own Pole, both in 2013.

[5] Musiał gained wider recognition outside his native country for starring in the 2018 Netflix series 1983, which he also executive produced.

[7] He graduated with master's degree in Acting from the AST National Academy of Theatre Arts in Kraków in 2021.