Hulk director’s detailed tip to actor – one with a line? (6)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

definition: an ANGLER uses a fishing line ANG LE-[e] ("de-tailed", removing the 'tail' letter); plus the end/"tip" of [acto]-R Ang Lee [wiki] is a film director, and directed the superhero movie Hulk