Harris-Tavita had already made the call prior to the incident to take a year off rugby league.
Crichton was originally hit with a two-game suspension, however, the Rugby League World Cup judiciary ultimately halved that to a single game on appeal from Crichton's camp.
The star second-rower will now not miss any games of the NRL season though, with the NRL allowing Crichton to take his ban during the pre-season challenge. It will be served against the Melbourne Storm this weekend in Geelong, meaning he could ultimately return for the second week of the pre-season challenge.
Molo, on the other hand, still had two matches to serve on his four-match ban for a high tackle that saw him sent off during a match against the Gold Coast Titans at the back-end of 2022.
The St George Illawarra Dragons have however submitted a successful application to the NRL for those two matches to be counted as Samoan games at the Rugby League World Cup, as a number of other players did for various World Cup teams.
It means Molo will be free to play in Round 2 against the Gold Coast Titans after the Dragons start their season with a bye, while Crichton will be available for Round 1 against the Dolphins.