Born Jackson Wagner in Los Angeles, CA. Jack Wagner began his film career as an assistant cameraman for D.W. Griffith. He was a member of the Army's first motion picture unit in France during World War I. He was a gag man for Mack Sennett and Harry Langdon. In addition to credits for comedy construction, producer and assistant director, Wagner's writing credits after the advent of sound, alone or in collaboration, include CLANCY IN WALL STREET (1930), SEA SOLDIER'S SWEETIES (1932), LA CUCARACHA and THE LITTLE MINISTER (both 1934), ANAPOLIS FAREWELL (1935), KING OF BURLESQUE and DANCING PIRATE (both 1936), LITTLE MEN (1940), A MEDAL FOR BENNY (1945), and THE PEARL (1947).  Nominated for Writing (Original Story) 1945: A MEDAL FOR BENNY (w. John Steinbeck) 1 nomination