Guest Stars Don Most as Marv Prine Peter Graves as Carl Lawrence Dawn Wells as Valerie Madden Charlene Tilton as Emily Marcus Rue McClanahan as Mary Hubble Debbie Reynolds as Sheila Evans Ann Jillian as Rena Ward Darren McGavin as Lawrence Evans Ted Knight as Tom McMann Erin Moran as Carrie Walker Brian Kerwin as Ted Lawrence Kathie Browne as Mary Ann Walker Co Starring Lloyd Alan as Brian Litz Steve Carlson as Ed Wight