What actors and actresses appeared in The Return of Frank Cannon - 1980?

The Return of Frank Cannon was a television film that aired in 1980. It was a reunion of the cast of the original "Cannon" TV series, which ran from 1971 to 1976.

Here are the main actors who appeared in the film:

* William Conrad as Frank Cannon

* Stephen Collins as Mark Cannon

* Susan Sullivan as Cassie

* Kim Richards as Cindy Cannon

The film also featured guest appearances from actors like Robert Webber, Michael Conrad, David Spielberg, and William Windom.