First Names

[Yarmite]

In aid of Children in Need.
I still have some questions to solve.
Please, please can anyone help? closing date is in a couple of days.
To start with all the following are boys first names:
1. Play write perhaps? (7)
2. In the middle? (7)
3. With kryptonite in his grasp he's a dangerous man? (9)
4. Good on ice? (6)
5. We'd all like to know what this lost man is up to? (3)
6. The lost man's alter ego? (5)
7. This Casanova learns his lesson in the end? (5) Thanks in advance.