murder | Murder, She Wrote | Diagnosis: Murder | Murder on the Orient Express | O. J. Simpson murder case | Dial M for Murder | Murder Most Horrid | Anatomy of a Murder | Murder 2 | Parker–Hulme murder case | Murder By Death | Murder | A Perfect Murder | Women's Murder Club | Murder, My Sweet | Murder in the Cathedral | Murder, Inc. | Murder Call | Murder at the Vanities | All-American Murder | Women's Murder Club (TV series) | Virtual Murder | The Murder Junkies | The Innocent Man: Murder and Injustice in a Small Town | Screaming Bloody Murder | Murder, She Said | Murder-Set-Pieces | Murder on the Orient Express (1974 film) | Murder of Shaariibuugiin Altantuyaa | Murder Investigation Team |
His credits include Knight Rider, "V", Hercules: The Legendary Journeys, Babylon 5, Buffy the Vampire Slayer (Not related to Buffy actor Seth Green; on occasion, some sources confuse them.), Angel, Dawson’s Creek, Gilmore Girls, Law & Order, Diagnosis Murder, Baywatch, Highlander and other series.
Vassallo's television credits include guest appearances on Diagnosis Murder, The West Wing, Alias, Damon, and My Wife and Kids.
After Doogie Howser, M.D. ended in 1993, Layng would guest star in the television series Joe's Life and Diagnosis Murder.