A large number of the series' actors performed in other Battlestar Galactica Universe shows:
* Mike Dopud (Capt. Deke Tornvald) previously played the recurring role of Specialist Gage in Battlestar Galactica and Sal in the Caprica episode "Apotheosis".
* John Pyper-Ferguson (Tech Sgt. Xander Toth) appeared in two Battlestar Galactica episodes as Cole "Stinger" Taylor, and played the recurring role of Tomas Vergis on Caprica.
* Zak Santiago (Capt. Armin "High Top" Diaz) appeared in the Caprica episode "Retribution" playing Pann.
* Brian Markinson (Cmdr. Silas Nash) starred as Jordan Durham on Caprica.
* Carmen Moore (Sr. Lt. Nina Leotie) appeared as Fidelia Fazekas on Caprica and Sister Tivenan on Battlestar Galactica: The Resistance (web series).
* Jill Teed (Cmdr Ozar) played Sgt. Hadrian on a pair of Battlestar Galactica episodes.
* Sebastian Spence (Lt. Jim "Sunshine" Kirby) performed the recurring role of Noel "Narcho" Allison on Battlestar Galactica.
* Tricia Helfer (Cylon Prototype Voice) starred on Battlestar Galactica as Caprica Six/Number Six.
* Ty Olsson (Osiris Crewmember) played the recurring role of Capt. Aaron Kelly on Battlestar Galactica.
* Colin Corrigan (Osirus Marine) played the recurring role of Marine Allan Nowart on Battlestar Galactica.
* Terry Chen (Crew Chief Tiu) played "Chuckles" Perry in two episodes of Battlestar Galactica.
* Leo Li Chiang (Osirus Marine Sgt.) played the unnamed Tattooed Pilot (uncredited) in several episodes of Battlestar Galactica.