Michael Landon Jonathan Smith Creator, Actor Victor French Mark Gordon Actor Bill Calvert Brad Dietrich Guest Star Robert Culp Ronald James Guest Star Karen Landry Diane James Guest Star Dennis Robertson Dr. Gerald Windsor Guest Star Lance Wilson-White David James Guest Star Nick Angotti Bob Dietrich Guest Star Paul Comi Sgt. Baker Guest Star Laura Bastianelli Mrs. Dietrich Guest Star Jennifer Horton Leah Barson Guest Star Rodney Eastman Kevin Guest Star Joe Clarke Medic 1 Guest Star Richard Hoyt Miller Medic 2 Guest Star Nell Heller Matron Guest Star