June 22 (UPI) -- Timothée Chalamet and Selena Gomez will lead the voice cast of the new film Not Alone . Universal Pictures and Illumination confirmed the casting Monday with a poster featuring Chalamet and Gomez's names. The actors previously co-starred in Woody Allen 's 2020 film, A Rainy Day in New York . The Not Alone poster shows the silhouette of two people holding hands as they face a starry sky. Three friendly-looking alien creatures can be seen amid the letters of the film's title.