Writing Robertson White Acting Gentle Giant Swenson 1967 Flipper Mr. Abrams 1963 Other Credits Jungle Patrol Adaptation 1948 Dick Tracy Meets Gruesome Screenplay 1947 Charlie Chan's Murder Cruise Screenplay 1940 Charlie McCarthy, Detective Story 1939 The Witness Vanishes Screenplay 1939 My Bill Screenplay 1938 Mystery House Screenplay 1938 The Lady in the Morgue Screenplay 1938 He Couldn't Say No Screenplay 1938 The Adventurous Blonde Screenplay 1937 The Westland Case Screenplay 1937 The Footloose Heiress Screenplay 1937 Once a Doctor Screenplay 1937 Agent-readable