When the Moon Was Twice as Big In 1969, ten-year-old Jack is inspired by a unique friend to follow his heart and become an astronomer. But fate alters his course. In 2009 and about to turn fifty, Jack faces a choice: keep going through the motions – or take a giant leap of faith. Details Casts Title When the Moon Was Twice as Big Release Date Runtime 01 Hours 27 Minutes Genres Adventure Drama Production Companies Shooting Star Creativeworks, The Sum Of Our Parts Productions Production Countries United States of America Sammy Curcuru... Young Jack... Paul Hickert... Jack... Oakes Fegley... Jeffrey... Winslow Fegley... Elmer's Son... Frank Anderson... Elmer... Mary Jo Catlett... Elsie... William Bogert... Mr. Pauley... Brian Anthony Wilson... Ruben... Kelly McAndrew... Lynn... Kimberley Shoniker... Young Elsie... Avery Curcuru... Young Lynn...