Guest Stars Robert Knepper as Samuel Sullivan Dawn Olivieri as Lydia Madeline Zima as Gretchen Berg Deanne Bray as Emma Coolidge Ray Park as Edgar Tessa Thompson as Rebecca Taylor Ernie Hudson as Captain Lubbock Rachel Melvin as Annie Louise Fletcher as Dr. Coolidge Christine Adams as Dr. Madeline Gibson Co Starring Jack Wallace as Arnold Kat Purgal as Sister #5 – Allison Sydney Sweeney as Little Girl Carrie Wiita as Sister #6 – Kara