Guest Stars Linda Hunt as Dr. Eudora Hobbs C.S. Lee as XO François Chau as Sub-Captain Don Rickles as Himself (Don Rickles / Priest) Shaun Benson as Interrogator #1 Justin Alston as Male Agent #1 Sharon Brathwaite as Security Tech Sonny Kang as Sonar Man Charles Kim as Chief of the Watch Nikkole Salter as Female Interviewer 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