Richard Riehle is an American actor. Riehle was born in Menomonee Falls, Wisconsin, the son of Mary Margaret , a nurse, and Herbert John Riehle , an assistant postmaster. He attended the University of Notre Dame. His television credits include Quantum Leap, Roseanne, Murder, She Wrote, L.A. Law, Ally McBeal, Buffy the Vampire Slayer, Chicago Hope, Diagnosis: Murder, Sabrina the Teenage Witch, Grounded for Life, The West Wing, ER, Married to the Kellys, Boston Legal, Big Stan and The Young and the Restless. Riehle has also guest-starred on three of the five Star Trek television series.