Trebs previously played supporting roles in Lilly the Witch – The Dragon and the Magic Book (2008), Krupp – A German Family (2008), as Alfried Krupp (aged 10–13 years) and as Ferdinand in Michael Haneke's award-winning historical drama The White Ribbon (2009).
Theo van Gogh | Theo Paphitis | Theo Kelly | Theo Walcott | Theo van Doesburg | Theo Jörgensmann | Theo Altmeyer | Theo van Gogh (film director) | Theo Bleckmann | Theo Uittenbogaard | Theo Loevendie | Theo Jørgensen | Theo Vennemann | Theo van Gogh (art dealer) | Theo Travis | Theo Maassen | Theo Kogan | Théo Kerg | Théo de Barros | Theo Bos | Theo | David Theo Goldberg | Vincent & Theo | Tom Theo Klemesrud | Theo Waigel | Theo Von | Theo Verschueren | Théo van Rysselberghe | Theo Van Leeuwen | Theo van Leeuwen |