Denis Arndt

as Dr. Austin DeGroose

Mark Blum

as Dr. Howard Zuckerman

Suzzanne Douglas

as Dr. Bailey Wallace

Anthony Dean Fields

as Dr. Dennis Quintero

Christina Haag

as Dr. Shauna Fratangelo

Kevin Sorbo

as Dr. Thaddeus Kocinski

Mike Nussbaum

as Dr. Burton Langhern