What actors and actresses appeared in The Wonderful Land of Oz - 1969?

The film you're referring to is likely The Wizard of Oz (1939), not "The Wonderful Land of Oz" from 1969. There was no film with that title released in 1969.

The Wizard of Oz (1939) starred:

* Judy Garland as Dorothy Gale

* Frank Morgan as Professor Marvel / The Wizard

* Ray Bolger as the Scarecrow

* Jack Haley as the Tin Man

* Bert Lahr as the Cowardly Lion

* Margaret Hamilton as the Wicked Witch of the West

* Billie Burke as Glinda the Good Witch

* Clara Blandick as Aunt Em

* Henry Armetta as the Munchkin Mayor

* Charley Grapewin as Uncle Henry

* Terry the Cairn Terrier as Toto

If you're thinking of a different film, please provide more details.