### Clue: US labour leader, once topless, eating whipped cream when not being filmed (3,6)
### Answer: OFF CAMERA 
 ### Explanation: Definition: not being filmed
An envelope ('eating') of CAMER, an anagram ('whipped') of 'cream' in [h]OFFA ('US labour leader, once' – known for his disappearance and presumed assassination) minus the first letter ('topless').