NSW police interviewed a number of high-profile North Queensland Cowboys players on Thursday as they continued their widespread probe into a suspicious betting plunge on an NRL game in Townsville in August.

Players began filing into Cowboys' headquarters at Thuringowa on Thursday morning to be interviewed by detectives from Strike Force Suburb, who are investigating an unusual betting plunge on a round 24 clash between North Queensland and the Bulldogs at Dairy Farmers Stadium.

Bookmakers reported a substantial plunge on the first scoring play being a penalty goal, an option the Cowboys had in the opening 90 seconds but did not take.

Among the players questioned were fullback Matt Bowen, winger Ty Williams and forwards Aaron Payne, Steve Southern, Scott Bolton and Luke O'Donnell.

It's not known whether investigating officers interviewed club captain Johnathan Thurston, still yet to face the Cowboys board after he was arrested, locked up and later charged with being a public nuisance outside Brisbane's casino last month.

The players declined to talk expansively to media about their police interviews, reportedly on the advice of club officials.

Cowboys football manager Peter Parr said the players and the club were being as cooperative and as compliant with police as they could be.

Asked if Thurston had been interviewed Parr said he didn't know the full list of players being quizzed.

"I don't know why you would single JT out?" said Parr.

"I'm not sure if he was spoken to or not, you'd have to ask the investigators.

"It's not up to me to disclose how the investigation is being run."

Meanwhile, Parr said a date had not been set for Thurston to front the Cowboys board to present a case as to why he should not be stripped of the captaincy following his latest public incident, which embarrassed the club and its sponsors.

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