The Hoops fell 3-0 behind in the first half but managed to score three of their own in the second term with Anthony Stokes netting twice and Charlie Mulgrew grabbing the leveler with 10 minutes remaining.
"To me, the king of the day was James Forrest," Lennon said.
"I thought he was simply magnificent from start to finish.
"We've got a 20-year-old kid who dragged the team by the scruff of the neck and got them through a very sticky situation.
"The senior boys have to accept they are not doing their jobs or not being the influence they should be on the team.
"I'm expecting more from some of my better players than I'm getting at the minute."
Despite recording just one point, Celtic luckily remain in the title race after Rangers were held to a 1-1 draw by St Mirren and Lennon hopes his side still have the bottle to fight back after a topsy-turvy beginning to the campaign.
"They were on their feet by the end and I thank them for their efforts," he added.
"But they are just too inconsistent at the minute.
"We need to get on a run of winning games. I think I'll get it right. I just want to make sure it's not too late."