What actor must follow Bond’s tech wizard, reportedly (3)
I believe the answer is:
cue
I'm afraid I can't even guess how this answer relates to the clue.
Can you help me to learn more?
(Other definitions for cue that I've seen before include "State of collapse, disaster" , "Prompt; signal" , "Signal for action" , "Signal to players" , "Hint for a snooker or billiards striker" .)