Once Upon a Mattress was released on December 8, 2005.

Once Upon a Mattress was directed by Kathleen Marshall.

Once Upon a Mattress has a runtime of 90m.

Once Upon a Mattress was produced by Janet Brownell, John Peter Kousakis.

Queen Aggravain has ruled that none may marry until her son, Prince Dauntless marries. However, she has managed to sabotage every princess that come along. When Sir Harry and Lady Larken learn that they are going to be parents, wed or not, he goes off to the swamps and brings back Princess Winnifred ("Fred" to her friends).

The key characters in Once Upon a Mattress are Queen Aggravain (Carol Burnett), Princess Winnifred (Tracey Ullman), Prince Dauntless (Denis O'Hare).

Once Upon a Mattress is rated PG.

Once Upon a Mattress is a Comedy, Romance, Family film.

Once Upon a Mattress has an audience rating of 5.5 out of 10.