1: God, transforming first day into last night, was received (3)
3: One with no trust in decency, niceness, etc. (5)
5: Bounder beheaded by slippery swimmer (3)
6: Identifies men as displaced - best not to be one at 34's (5)
8: Smuggler participating in arms race? (9)
10: Scrooge in film is erratic (5)
11: Fix the oil platform ... (3)
12: Penniless meal is fantastic (5)
13: Perform part of play (3)