Ben Verbong Director Eliza Bennett Agathe von Trapp Actor Matthew Macfadyen Georg von Trapp Actor Yvonne Catterfeld Maria Actor Rosemary Harris older Agathe von Trapp Actor Cosima Shaw Carrie von Trapp Actor Lauryn Canny Kirsty Actor Robert Seeliger Marcus von Trapp Actor Johannes Nussbaum Sigi Actor Cornelius Obonya Konrad Actor Annette Dasch Lotte Lehmann Actor Barbara M. Messner Mathilde Actor Brigitte Kren Frau Mayer Actor Bettina Mittendorfer Mother Trapp Actor Marco Dott Attorney Müller Actor Martin Walch Friend Actor Tim Sullivan Screenwriter Christoph Silber Screenwriter Herbert G. Kloiber Executive Producer Rikolt von Gagern Producer Enis Rotthoff Music Jan Fehse Cinematographer Alexander Dittner Film Editing