https://www.rugbyleagueproject.org/competitions/amco-cup-1977/game-2/toowoomba-vs-canterbury/summary.html
Scoring - Steve Mortimer scored a try, not Peter.
Canterbury 12-11. Penalties: 8-all. Referee – Randy Krause.
Named Teams:
Canterbury: 1. Ray Kear, 2. Chris Anderson, 3. Mick Ryan, 4. Mark Hughes, 5. Steve Gearin, 6. Tim Pickup, 7. Steve Mortimer, 8. John Peek, 9. Geoff Robinson, 10. Greg Howard, 11. Phil Charlton, 12. George Peponis, 13. John Coveney. Repl.: 14. Gary Dowling, 15. Mal Creevey, 16. Bob McCarthy, 17. Dave Allison.
I have verified that Kear, Anderson, M.Hughes, Pickup, S.Mortimer, Peek, Robinson & McCarthy played. It appears as though McCarthy started as it is written in reports he was part of the first try.
Toowoomba: 1. Jim Diamond, 2. Tony Peardon, 3. Ross Stallman, 4. Alan Smith, 5. Greg Scholl, 6.Terry Arnold, 7. Greg Robison, 8. Greg Platz (c), 9. Jeff Gill, 10. Gary Fisher, 11. Peter O'Davis, 12. Len Doyle, 13. Ian Lindenmeyer. 14. Ian Bliss, 15. Dave Linwood, 16. Gary Sutton, 17. Rohan Hancock.
I have verified that Peardon, Stallman, Scholl, Robison, Platz, Fisher, O'Davis, Doyle & Lindenmeyer played.
Man Of The Match: Geoff Robinson.
Goal kicking - Peardon 3/5, M.Hughes 5/5
Quarter time score Toowoomba 7-5
HT Score Canterbury 15-7
3QT score Canterbury 20-15
In Canterbury TV show - Bulldogs Unleashed episode 21, Steve Gearin confirms that he played in this game.
https://www.youtube.com/watch?v=dnpELv1MwOQ