Arieh Worthalter (born 25 March 1985) is a Belgian stage and film actor. He studied at the Institut Supérieur des Arts (INSAS) in Brussels and began working in theatre. His film credits include Les Anarchistes (2015), Marie Curie: The Courage of Knowledge (2016), Eternity (2016), Bastille Day (2016), and Razzia (2017). He received three Magritte Awards for Best Supporting Actor for his performances in Girl (2018), Mothers' Instinct (2018) and All to Play For (2023). For his portrayal of Pierre Goldman in The Goldman Case (2023), he received the Lumières Award for Best Actor, César Award for Best Actor and Magritte Award for Best Actor. ()