Despite outrageous displays of greed, wealth and excess, “The Wolf of Wall Street” movie “played down the sex and drugs” at Stratton Oakmont and portrayed the inexperienced young brokers who ran the shuttered investment firm’s illegal pump-and-dump scheme as more innocent than they actually were, its former attorney said.

“They surely knew what was going on,” said Ira Sorkin, a partner at Lowenstein Sandler who represented Stratton Oakmont through years of investigations and litigation.