[4] After briefly working in public health in Guatemala, he became more interested in acting as a career.
He was cast in a stage production of Hamlet at the Great River Shakespeare Festival in Winona, Minnesota.
In 2020, he appeared in the fantasy drama film Nine Days,[6] and in 2022, he starred in the thriller No Exit.
[10] He also plays American chemist Donald Hornig in Christopher Nolan's 2023 biopic Oppenheimer.
[5] Rysdahl met actress Zazie Beetz at an acting workshop, and they began dating around 2014.