Since returning full-time to acting after law school, Lemke has a deep collection of credits to his name in both English and French. In 2008 he joined the cast of Radio Canada's comedy-drama Les Hauts et les bas de Sophie Paquin, playing David Rothstein, a character that Montreal newspaper La Presse numbers among the few anglophone characters to ever "mark the soul" of Quebecers. He followed up in French with recurring roles on Mémoires Vives, Mirador, Nouvelle Adresse, all of which are Gémeaux Award nominated TV series.