Lindsay Ayliffe

as FBI Director Shannon Fitzpatrick (4 episodes)

as Dr. Johnson (1 episode)

as Dr. Falerias

as Old Teacher (Bible College)

as Judge

as Judge Foster

as Grigson

as Joe (1 episode)

as Husband

as White-Haired Man (1 episode), as White Haired Man (1 episode)

as Trip Dunlap (1 episode)

as Mr. Mayr

as Sam

as Hard Science Professor (1 episode)

as Harry (7 episodes)

as Minister (1 episode)

as Captain Frank Basil

as Mr. Stout (1 episode)

as Dr. Joffa (1 episode)

as Professor Garabedian

as Stephens (1 episode)

as Earl

as Dr. Michael Winston

as Amish Bishop (4 episodes)

as Swenson