'The Dam Busters' - the final briefing scene. The briefing room door is closed and Guy Gibson's dog can't get in.

The dog is turned away by the RAF policeman guarding the door. The RAF man is played by an actor who later became very famous - if not notorious - in connection with a 60s cult TV series.

Who was he ?

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"Stand by to pull me out of the seat if I get hit" - Guy Gibson