Maybe 1938, Hunters Arms?

Thanks to Elizabeth Ride for sending in this photo from her collection. She writes:

I attach a photo taken during the HKVDC Camp at Fanling (1938?) which you might like to try to interpret.  I suggest this is the Hunter's Arms, and would love to believe that the gentleman leaning against the bar, obviously very at home, could be 'Uncle Pat'.

Can anyone confirm if this is the Hunter's Arms, and if the older man at the bar is P C Potts? I'd also be interested to hear if anyone can identify the three officers.

Regards, David