Guest Stars Linda Hunt as Dr. Eudora Hobbs François Chau as Sub-Captain C.S. Lee as XO Shaun Benson as Interrogator #1 Don Rickles as Himself (Don Rickles / Priest) Charles Kim as Chief of the Watch Nikkole Salter as Female Interviewer Justin Alston as Male Agent #1 Sharon Brathwaite as Security Tech Sonny Kang as Sonar Man Co Starring Alyssa Shafer as Serena Brown Kavita Patil as Sgt. Kayla Medawar Christina Gianaris as Mandy Ewan Chung as Map Tech Brad Campbell as Commo Tech