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Game of Thrones star Carice van Houten and Aussie actor Guy Pearce are expecting their first child together, PEOPLE has learned exclusively.

Dutch actress Houten, who portrays Melisandre in the hit HBO series, is currently starring in the film, Race, about track star Jesse Owens’ historic wins in the 1936 Berlin Olympics. The 39-year-old is also a singer and has released two albums — 2012’s See You on the Ice and 2006’s Black Book.

Pearce, 48, currently stars in Australian TV series Jack Irish and will portray F. Scott Fitzgerald in the upcoming film, Genius, which will be released in July. His cult film, Memento, celebrated its 15th anniversary on March 16.

Reps for both confirmed the news to PEOPLE.