Dr. Gary Alter: "Dr. Alter" ("Dr. Whack 'n' Sack, Dr. Alter-men") Nicole Alvarez: DJ on KROQ-FM David Alan Grier: a popular and frequent guest, sometimes referred to as the "Third Host" of Loveline or DAG. Dr. Ohad Ben-Yehuda: "Dr. Ben" (OB/GYN, Infertility, High Risk Obstetrics) Dr. Marcel Daniels: "Dr. Marcel" Dr. Bruce Heischober: "Dr. Bruce" (Ichabod Bruce, Dr. Spaz) Dr. Bruce Hensel: "Dr. Bruce" Dr. Reef Karim: "Dr. Reef" Dr. Robert Rey: "Dr. 90210", a plastic surgeon from Beverly Hills Trina Dolenz: former host of VH1's Tool Academy and couples therapist Emily Morse: "Sex with Emily"