Guest Stars Andrea Parker as Commander Caitlin "Kate" Pike, USN Lee Tergesen as Gunnery Sergeant Gentry Michael Jai White as Petty Officer First Class Peter Quinn David Gianopoulos as Major Aspinal Chris Conrad as Sergeant Lowell Wayne Duvall as Hobbs James Nardini as Petty Officer Toby Davis Charles Cyphers as Jesse David Dean Bottrell as McKissick