Guest Stars Ron Masak as Sheriff Mort Metzger Louis Herthum as Deputy Andy Broom Ethan Embry as Mike Seresino Trevor St. John as Colin Forbes Roy Dotrice as Dr. Myles Purcell Maryann Plunkett as Claire Vickers Dana Barron as Sarah Tyler Nicolas Surovy as James Ryerson Robert Foxworth as Prof. Harry Matthews Scott Marlowe as Avery Nugent Richard Minchenberg as Irv Tripler