He said: "It was a fantastic performance and I'm proud of all the lads.
"We have a small squad with a load of injuries at the moment and every single one of my players was a hero.
"I always try and stay level headed but it's probably the best I've ever felt as a boss and I am delighted for the team and the fans who helped make this such a great atmosphere.''
Talking about Williams's winner Bentley said: "We all know what Ryan is capable of and we see it every day in training.
"He went close with a couple of free-kicks earlier but he hit the mark just when it mattered with a goal of pure quality. He will take the headlines understandably but it was almost the perfect team performance.''
New Wolves boss Kenny Jackett said he was disappointed to bow out of the competition at the first stage.
He said: "It is disappointing for Wolves to lose to Morecambe I have to admit but it was always going to be tough for us after six injuries on Saturday.
``I thought we defended well overall and looked threatening. We hit the woodwork three times but were hit by a superb free-kick and that is what happens sometimes, but we do need to make sure we take our chances when they come along.
"There was some promise there and it is a transitional period for us but I think the injuries caught up with us.''
Williams produced the telling moment of quality as he curled a superb effort over the Wolves wall to beat goalkeeper Carl Ikeme to his right-hand side six minutes from time.
Morecambe shaded the first half with the best chances. Veteran midfielder Stewart Drummond forced Ikeme into an excellent low save after just 25 seconds and the same player headed a Padraig Amond cross just wide.
The home side continued to look threatening with Williams testing the Wolves keeper with the first of a series of free-kicks.
Wolves looked sharp going forward and almost took the lead after 44 minutes when Matt Doherty worked an opening down the right and produced a shot from an acute angle that beat Barry Roche but hit the foot of the post.
The second half swung from end to end. Wolves hit the woodwork twice in quick succession with Leigh Griffiths heading against a post and Ismail clipping the crossbar with a left-foot curler.
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