Juli Grabenhenrich was born in 2008 in Berlin where she grew up with her four siblings. In 2023, she responded to a casting call for the role of Leo and succeeded in landing her first film role. In Paternal Leave, she makes her on-screen debut, showcasing her talent as a young actress.

Luca Marinelli, born in Rome in 1984, graduated from the Silvio D'Amico National Academy of Dramatic Arts in 2009. He began his theatrical career with A Midsummer Night's Dream, which led to his being chosen as a co-star in the film La solitudine dei numeri primi (2010), directed by Saverio Costanzo. In the following years, he acted in several films, including L’ultimo terrestre(2011), Tutti i santi giorni(2012), which earned him his first nomination for a David di Donatello, and La Grande Bellezza (2013) by Paolo Sorrentino. In 2013, he received the Shooting Star Award at the Berlin Film Festival and, in 2014, he won the David di Donatello for best supporting actor for Lo chiamavamo Jeeg Robot and his career continued with A dangerous fortune, a TV film for the German market directed by Christian Schwochow. Continuing with relevant roles, in 2015 he starred in Non essere cattivo, for which he received his second nomination for the David di Donatello, and in 2016 he won the Golden Globe for best actor for Una questione privata by the Taviani brothers.

In 2018, he starred in the film Ricordi and in the miniseries Fabrizio De Andrè – Principe libero, for which he received another David di Donatello nomination. He also began working internationally, participating in Danny Boyle's series Trust and the film The Old Guard (2020), alongside Charlize Theron. In 2019, he played the protagonist Martin Eden, for which he won the Coppa Volpi for best actor at the Venice Film Festival and received an EFA nomination. In 2020, he was a juror at the Berlinale and, in 2021. In 2022, he co-starred with Alessandro Borghi in Le otto montagne, a film that was presented at the Cannes Film Festival. In the same year he returned to the role of Nicky in The old guard 2. In 2023, he starred in the tv series M – Il figlio del secolo directed by Joe Wright, and directed the theatrical adaptation Una relazioni per un'accademia at the Festival dei Due Mondi in Spoleto. In 2024, he is in the cast of Paternal Leave, directed by Alissa Jung.

Also in 2024, he lends his voice to the role of Mufasa in Disney's live-action Mufasa - The Lion King.