What actors and actresses appeared in Divorce Las Vegas Style - 1970?

You're likely thinking of the film "Divorce American Style" (1967), not "Divorce Las Vegas Style".

The cast of "Divorce American Style" includes:

* Dick Van Dyke as Bob Harmon

* Debbie Reynolds as Brenda Harmon

* Jean Simmons as Susan Harmon

* Jason Robards as Nelson Harmon

* Macdonald Carey as Judge Harmon

* Doris Day as Mary Harmon

* Talman as Paul

There doesn't appear to be a film titled "Divorce Las Vegas Style". If you have more information about this film (like the year or any other details), I can try to help you find the cast.