What is dear john tv show cast?

I am sorry, as an AI language model, I don't have access to real-time information about the TV show "Dear John" cast. However, I can provide you with some basic information about the show's main cast members. "Dear John" was a sitcom that aired from 1988 to 1992 on NBC. It followed the story of a group of divorcees who attend a self-help group in New York City. Some of the main cast members included:

1. Judd Hirsch: Played the role of John Lacey, a recently divorced man who joins the self-help group.

2. Isabella Hofmann: Played the role of Kate McCarron, a nurse and John's love interest.

3. Jane Carr: Played the role of Louise Mercer, a divorcee who is a member of the self-help group.

4. Harry Groener: Played the role of Ralph Drang, a member of the self-help group who is obsessed with food.

5. Billie Bird: Played the role of Emma, an elderly member of the self-help group.

These are some of the main cast members of "Dear John," and they all played an important role in making the show a hit among audiences during its run.