Guest Stars Donnelly Rhodes as Dr. Cottle Rekha Sharma as Tory Foster Kate Vernon as Ellen Tigh Matthew Bennett as Number Five Kerry Norton as Paramedic Layne Ishay Dean Stockwell as Number One Rick Worthy as Number Four Co Starring Leah Cairns as Lt. Margaret "Racetrack" Edmondson Bodie Olmos as Lt. Brenden "Hotdog" Constanza Brad Dryborough as Lt. Louis Hoshi Colin Lawrence as Ensign Hamish "Skulls" McCall Colin Corrigan as Marine Allan Nowart Lara Gilchrist as Paulla Schaffer Iliana Gomez-Martinez as Hera Agathon Leela Savasta as Tracey Anne Finn R. Devitt as Baby Nicky Darcy Laurie as Dealino Tobias Mehler as Zak Adama Simone Bailly as Shona Kevin McNulty as Frank Porthos Anthony St. John as Marine #2 Richard Jollymore as Marine #1 Sarah Deakins as Cheryl France Perras as Sandra Antony Holland as Julius Baltar Elan Ross Gibson as Nurse Barbara Tiffany Burns as Reporter Carolyn Stefanie Samuels as Police Officer