Allius Barnes was born in Los Angeles to Jamaican parents where he was raised with two brothers in a creative environment. In 2014, Allius booked his first guest star on the Nickelodeon show Sam & Cat. He also appeared in episodes of the hit shows Melissa & Joey, Bones, Rosewood and Chicago P.D. In 2019, Allius recurred on the Emmy nominated show PEN15 opposite Maya Erskine and Anna Konkle and FX's Snowfall. Shortly after, Allius booked the series regular role of "Vince" on the Freeform/eOne show Cruel Summer produced by Jessica Biel and Michelle Purple, which is set to premiere in 2021. He can currently be seen in the feature film American Skin directed by Nate Parker. In his spare time, Allius likes photography, spending time with his family, and loves traveling whenever he has the opportunity. He is represented by Paradigm and ESI Network.