Possible Clues:

• Director, as ordered, got into line 1
• Film director obeyed military order to assemble information
• As careless riverside walker did maybe: one Italian director
• Italian film director collapsed in one
• Strangely this filmmaker has nil life
• Film director was killed in Italy
• Movie maker collapsed in one
• Movie man dangerous, popular one
• Film director from whose work the word 'paparazzi' is derived
• Became friends with independent film director