2. A role for Leonardo DiCaprio (4,6)
15 This peer's father was a former MP (8,3)
19 A Lancashire lass? No, a South Riding girl! (5,5)
53 60% of one flier+a power tool (9)
Difficult to think of a clue but here goes
53 60%=three fifths.Think of the first three letters of the bird in the name of a pantomine .Next 4 letters found on a beach. Last 2 letters-queen.
After all that hope I've got the correct answer!