Guest Stars Lisa Howard as Lili Marquette Richard Zeppieri as Frank Tate David Calderisi as Barry Calvert Chandra West as Erica Vosser Greg Ellwand as Lawrence Jantzen Co Starring Joel Harris as Lead Volunteer Roberta Angelica as Vonda Alex Poch-Goldin as Dr. Alcott Edward Jaunz as Chuck Shannon Hile as Claire Jantzen Paul A. MacFarlane as Doorman Daniel Enright as Jantzen House Volunteer Michael Caruana as Peter Brogan Matt Redman as Ty Jantzen Christopher Crumb as Transient Uncredited Michael Daingerfield as Sentry