Charles Perkins (Aboriginal activist) in March 1965 in Australia face detail, from- Freedom riders at Bowraville (20715203332) (cropped)

Can you help identify the people and places documented in this photograph?
[L to R:] Gerry Mason, Pat Healy, Sue Reeves, Charles Perkins, Ray Leppik, Bob Gallagher, Ann Curthoys, John Butterworth, Norm McKay, Alan Outhred, [unidentified], Colin Bradford, Louise Higham
Call Number: ON 161/220
Format: photonegative, 35mm
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From the collection of the State Library of New South Wales