The following characters have been promoted to main character status since season 2.

In season two, Caleb's character was promoted to series regular.

By series eight in 1993 her character was promoted to Detective Sergeant.

During the third and final season her character was promoted to principal.

After the thirteenth episode of the first season, the character was promoted to a main character.

The main characters were promoted and moved to the South East of England.

The character was officially promoted to the regular cast on 15 October 1998.

Dr. Strange says that a character will be "promoted" to life if enough people want her alive.

His character was promoted to the rank of inspector.

In 2003, he returned when his character was promoted to Sergeant.