In 2011, he had the starring role in Beauty (Skoonheid), directed by Oliver Hermanus, which became South Africa's submission for Best Foreign Language Film for the 2011 Academy Awards.
[1] Lotz won Best Supporting Male at the 2013 kykNET Silwerskermfees (Silver Screen Festival) for his role in the Afrikaans-language family film, Faan se Trein.
[9][10] Other notable films Lotz has appeared in include Musiek vir die Agtergrond (2013), Winnie Mandela (2013), "Master Harold" .
[11] Lotz has starred in South African, European, and North American television productions, including The Book of Negroes (2015), Wallander (2015), When We Were Black (2014), and Flight of the Storks (2012).
[15] Lotz won Best Supporting Actor awards for Die Seemeeu and Moeder Moed en Haar Kinders at the 2015 Klein Karoo Nasionale Kunstefees.