"These sick, twisted and outlandish allegations never occurred,” the actor told HuffPost after a new documentary resurfaced Feldman's claim.
The actor, who befriended Jackson as a child, previously criticized the HBO documentary for being one-sided.
The recording has now been turned over to the Los Angeles Police Department.
Haim would've been a teenager at the time, according to the allegations.
Grissom appeared in two movies that starred Feldman.
“I’m taking the matter into my own hands,” Feldman said Monday.