A principal cast of six actors received star billing in the show's first season.

Most of the principal cast of the previous film returned for this installment.

Most trailers conclude with a billing block, which is a list of the principal cast and crew.

To save money, the movie had to be filmed in Canada, and only the principal cast could be involved.

The serial would've been much better, had they paid more attention to the principal cast, and twitched things a little.

The all-black principal cast was a novelty for television in 1960.

She also confirmed that, "every one of the principal cast is signed up for multiple seasons."

With a few exceptions, the principal cast is always studio-bound.

She was part of the principal cast of several movies and television humorist shows.

The principal cast of characters in the film included: