This pages indicates main characters' absences, i.e. episodes in which a character's actor is credited as a regular cast member, but the character does not appear.
In addition, episodes in which a main character appears, but the actor is not credited as a regular cast member, are also listed.
In the following tables of each of the main characters, which are sorted according to the number of episodes in which this character is credited as a main character and appears, the following data is indicated:
Data
Explanation
from
first episode in which the character is credited as a main character
to
last episode in which the character is credited as a main character
appearances as main character
ratio between the number of episodes between "from" and "to" in which the character appears to the total number of episodes between "from" and "to" in which the character is credited as a main character (expressed as a fraction and in percent)
missing in
episodes between "from" and "to" in which the character does not appear in spite of being credited as a main character
previous appearances
episodes before "from" in which the character appears without being credited as a main character
later appearances
episodes after "to" in which the character appears without being credited as a main character