1: See, you are a cad. (3)

3: Letter from Greece expresses the gratitude (5)

5: Backblock not all there (3)

6: Tie torn coats (7)

8: Essays about old dramatic works (9)

10: Pan given back by pastry taster (5)

11: Sister gets nothing, we hear (3)

12: Dodge Prelude is missing a couple of parts (5)

13: One politician's a brat (3)

1: Heavenly visitor to arrive on time (5)

2: Art and Fred, horsing around, draw up new plan (7)

3: Partly indicates progress of undergraduate (2,1,6)

4: Drawing, for example, a bit of a cartoon (3)

7: Wine from Greek character one opposed (7)

9: Child can be heard getting out of bed at dawn. (3, 2)

10: Without it, set call for recompense (3)