David Krumholtz and Morena Baccarian were in Serinity (2005).
David krumholtz , Morina Baccarin , D.B Woodside and Keith carridine all appeared in Whedon verse tv shows/movies. Krumholtz and Baccarin starred in serenity (2005) a continuation of Firefly (2002) Woodside appeared in Buffy the vampire slayer (1997) as principal Robin wood Carridine appeared in dollhouse (2009) as Mathew Harding