This section includes any named guest characters who don't fit into the other categories. Here are a few of the more famous ones:

Annie - Jeffrey's personal assistant in 3x02 [New Kids on the Block]
Dr Bender - member of the psychiatric hospital tribunal hearing in 1x02 [Still Crazy After All These Years]
Matthew Calder - was blackmailed by Alan in 1x01 [Head Cases]
Mr Faber - Clarence/Clarice Bell's employer in 3x02 [New Kids on the Block]
Dr Gill - Christine Pauley's primary caregiver at the psychiatric hospital to which she had been committed
Luke Kenneally - helped Denise find the remains of Daniel Post
Joe Martini - suspected kidnapper of Tito Perez
Julie - Dr Zachary Simon's receptionist in 3x03 [Desperately Seeking Shirley]
Dominic Martini - the kidnapper's brother "interrogated" by Brad
Nancy Murr - mother of a young woman hospitalized in critical condition due to complications from anorexia nervosa, in 3x10 [The Nutcrackers]
George Murrow - therapist of murder suspect Erica Dolenz
Helena Perez - Denise's housekeeper, who Denise takes shopping for her birthday in 2x09 [Gone]
Tito Perez - son of Denise's housekeeper, Helena Perez, and was kidnapped in 2x09 [Gone]
Harold Pines - imprisoned body-part trafficker who alerts Denise to the possible location of Daniel Post's head
Poi - coroner who brings Denise what he believes are the remains of Daniel Post in episode 3x07 [Trick Or Treat]
Tom Raulston - friend of Daniel Post's who had an inoperable brain tumor and made a deal with Daniel to give him his lungs in return for Daniel paying for his daughter's college education
Father Michael Ryan - lost some fingers in 2x09 [Gone]
Annette Shaw - sued for custody of her nieces Katey and Lauren Tanner
Martha Silver - member of the psychiatric hospital tribunal hearing in 1x02 [Still Crazy After All These Years]
Claire Wilson - anorexic teen seeking emancipation from her mother
Kerry Woo - coroner who examined Judge Marcia Hooper's body in 3x02 [New Kids on the Block]
Sandy Zionts - owner of the all-women's gym which expelled cross-dresser Clarence Bell