SCOTT Thompson, Jarrad Waite, Ben Jacobs and Declan Mountford have re-signed with North Melbourne on one-year deals. 

North Melbourne confirmed on Thursday morning the out-of-contract quartet had recommitted for the 2018 season. 

Veterans Thompson, 31, and Waite, 34, will have important roles to play next season in defence and attack respectively, when North will look to blood their raft of emerging young talls around them. 

North football manager Cameron Joyce said the club was confident Waite had another year of football left in him despite being restricted to just 10 games by injury in 2017.

Joyce also said Waite and Thompson would play important mentoring roles next season.

"We know that they're capable footballers and, in terms of their form, they can play another year," Joyce told NMFC On Air.

"But we've also got a lot of young key-position players – Nick Larkey, Ben McKay, Daniel Nielson, Sam Durdin, just to name a few – that having the support (of Waite and Thompson) around them, not just in terms of not throwing them to the wolves a little bit, but also to help coach them up (was another factor in our decision). 

"Both of them are really good in that respect that they're able to teach the guys the craft of playing as a forward or as a defender. We're actually quite excited about the possibility of the boys staying around and giving a little bit (back) to our young talls."

Jacobs, 25, has not played a senior game since round eight last season because of ongoing foot injuries, but the run-with midfielder was previously an important part of North's best 22.

Joyce said Jacobs had made encouraging progress in his rehabilitation recently that suggested he was on track to get back on the field in 2018.

"Ben has been in (at the club) almost every day. He's had a little trip up to Byron Bay with Shaun Higgins, Trent Dumont and Jonah Segal, our strength and conditioning coach, just to do a little mini-camp," Joyce said.

"He's been training all the way through, and is starting to do a little bit of over-ground running now, so we're reasonably positive at the moment. 

"But we're also trying to keep everything in perspective a little bit with Ben, in that it's been a rocky road for him. But the signs at the moment are positive." 

Mountford had an encouraging second season at Arden Street in 2017, debuting in round one against West Coast before playing the final 11 home and away games. The 20-year-old impressed in several run-with roles and also spent time in defence.

"Declan has a great attitude and approach to his football and has improved significantly since arriving at Arden St," Joyce said.

"We are very positive about Declan's prospects and have no doubt that his determination and professionalism will hold him in good stead heading into next year."