https://www.rugbyleagueproject.org/seasons/nswrfl-1975/round-18/canterbury-vs-easts/summary.html
Numbers:
CB: All are confirmed in the video except Anderson & Noonan.
ES: All are confirmed in the video except Pickett, McKay & Cupic. 9. is Reilly (see 1:06 called by Rex), so I am assuming 12. is Bandiera.
Video:
https://www.nrl.com/news/2026/07/01/bulldogs-v-roosters---round-18-1975/
Daily Mirror says that Beetson was replaced by Dennis Hughes.
https://bulldogs.eastgatemultimedia.com/match/1975-18-vs-roosters