Jenni MortimerChief Lifestyle & Entertainment Reporter·NZ Herald·25 Jun, 2026 10:00 PM3 mins to read‌The actor thrilled fans by performing a secret musical number and revealing his favourite rugby player ever. Video / NZMEHollywood heavyweight Dwayne Johnson is working on a documentary about Black Ferns hero Portia Woodman-Wickliffe.The Hollywood star, once known by his wrestling name The Rock, let the secret project slip while walking a special blue carpet for the Sydney premiere of the live-action film Moana on Thursday night.