Guest Stars Silas Weir Mitchell as Ralph Mercer Lela Loren as Nilda Linda Park as Dr. Montague James McCauley as Donovan Treadlow Patricia Rae as Esther Co Starring Richard Gunn as Barlow Flemming Alejandro Furth as Alfredo Gina Comparetto as Yasmeen David Kelsey as Donald Beechum Tricia Leigh Fisher as Prudence Richard Wharton as Man Natsuko Ohama as Elderly Lady Jennifer Bowman as Paula Toyia Brown as Fernanda Talan