Ferres, 26, joined the Giants from Castleford mid-way through last season, and will now provide back-up for captain Danny Brough, alongside Robinson.
Anderson told the club’s official website: “Brett’s a player who commands the respect of everyone in the squad.
“What I like about him – and I don’t want him to take this the wrong way – is that he’s a simple bloke.
“With that, I mean he does all the simple things well and those are often the most important components in making a successful player and a successful team.
“If you do the simple things right, there’s more chance you’ll do things consistently, and that’s what we’re obviously striving to achieve as a group.
“In that respect, Brett always takes the lead, and the key is for others to follow.
“On top of that, you can always guarantee that when he talks, he talks sense.
“That makes him someone who you know you can always rely on and, with Broughy and Robbo, they really do make a formidable team.”
Ferres, who has previously played for Bradford and Wakefield, made seven appearances for the Giants last season.