Ossian Perret is a French-British actor. He was born in Chartres, France. After completing high school in Switzerland, Arnas Fedaravicius moved to the UK to pursue his passion for acting. In 2015, he completed a foundation course at the Guildford School of Acting and was subsequently accepted into the prestigious Drama Centre London, from which he graduated in 2018. His rigorous training laid the groundwork for a promising career in film and television.

Fedaravicius is best known for his compelling portrayal of Wihtgar in the critically acclaimed British historical drama series The Last Kingdom (2015–2022). His character, introduced later in the series, quickly became a significant and memorable presence, showcasing his ability to bring depth and intensity to the screen.

In addition to his breakout role in The Last Kingdom, he appeared in the popular Netflix fantasy series The Witcher, further solidifying his presence in high-profile international productions. He also took on a role in the British comedy series The First Team, demonstrating his range by stepping into a lighter, more humorous genre.

In 2020, Fedaravicius starred alongside Paul Kaye in the short film Ernie, a poignant and intimate narrative that added to his growing repertoire. With a mix of dramatic and genre-spanning roles, he continues to build a versatile and impressive acting career.