Guest characters abound, including Marine Nathanson and Tracey Anne (Leela Savasta), who is one of Baltar’s followers.  Zak Adama (Tobias Mehler) has also been slated to return for the last three episodes of the series.

See all 'Battlestar Galactica' Spoilers for Season 4

Episode 4.1 "He That Believeth in Me" Recap
Episode 4.2 "Six of One" Recap
Episode 4.3 "The Ties That Bind" Recap
Episode 4.4 "Escape Velocity" Recap
Episode 4.5 "The Road Less Travelled" Recap
Episode 4.6 "Faith" Recap
Episode 4.7 "Guess What's Coming to Dinner" Recap
Episode 4.8 "Sine Qua Non" Recap
Episode 4.9 "Hub" Recap
Episode 4.10 "Revelations" Recap
Episode 4.11 "Sometimes a Great Notion"
Episode 4.12 "A Disquiet Follows My Soul"
Episode 4.13 "The Oath"
Episode 4.14 "Blood on the Scales"
Episode 4.15 "No Exit"
Episode 4.16 "Deadlock"
Episode 4.17 "Someone to Watch Over Me"
Episode 4.18 "Islanded in a Stream of Stars"
Episode 4.19 "Daybreak, Part 1"


-Maria Gonzalez, BuddyTV Staff Columnist
Source: Patriot Resource, SciFiHeaven, TV.com