[3] Betham went on to change his international allegiance and represent New Zealand in eight tests His position of choice was at lock but he also played at hooker and second-row.
Betham's final game for the club was a 22-20 victory over Manly at Brookvale Oval in round 25 of the 2005 NRL season.
[6] In 2013, an episode of The X Factor (New Zealand series 1) was filmed at Boxing Alley gym featuring Monty Betham and contestant Whenua Patuwai.
[9][10] On 28 January 2008 it was revealed on The Edge (radio station) that Betham's professional dance partner would be Nerida Jantti (girlfriend of Shane Cortese).
[12] After returning home from competing on Treasure Island, Betham and his wife Jaymie celebrated the birth of their first child, a son.