William Thomas Sadler was born on April 13, 1950 in Buffalo, New York, to Jane and William Sadler. He began his acting career in New York theaters, appearing in more than 75 productions over the course of 12 years. His roles included that of Sgt. Merwin J. Toomey in Neil Simon's Tony Award winning play "Biloxi Blues". He is best remembered for his roles in 58 minutes pour vivre (1990), Les folles aventures de Bill et Ted (1991), Les évadés (1994) and Le cavalier du diable (1995). He is also a television star, appearing in such sitcoms as Roseanne (1988) and Murphy Brown (1988) and such movies-of-the weeks as Charlie and the Great Balloon Chase (1981). Sadler also starred as Sheriff Jim Valenti on the WB science fiction television series Roswell (1999).
