Robert Reinagl was born in Vienna in 1968 and joined the Burgtheater ensemble in 2000. He has acted in numerous festival productions, such as the Reichenau Festival, steirischer herbst festival, Schrammelklangfestival Litschau and Salzburg Festival. In 2000 he established the duo Die Mondscheinbrüder together with the Vienna-based button accordion player and singer Walter Czipke. Reinagl also regularly works as a voice-over artist for radio productions and documentary films and can be seen in numerous film and TV productions. He taught character development at the Music and Arts University of the City of Vienna and has been a lecturer for creative speech at the Max Reinhardt Seminar since 2013. He has previously worked with Martin Kušej, at the Salzburg Festival, for example.