Robert Cornthwaite

as Lloyd Trent

as Self

as Dr. Carrington

as Harry Brunner (1 episode)

as Storekeeper

as Dr. Flankon (uncredited)

as Howard Buss (11 episodes)

as Earl Cott

as Dr. Alistair Craig

as Morrison (1 episode), as Old Man (1 episode)

as Minister

as Coroner (1 episode)

as Huddleston

as Professor Blount

as Hives (2 episodes)

as Ted Warwick (1 episode)

as Dr. Tighe

as Dr. Evans (1 episode)

as Mr. Reed

as Dr. Hartfield

as Dr. Hartfield (1 episode)

as Dr. Ashburn

as Pastor Dixon

as Frank Cavanaugh