Sheila Mathews was a singer and actress that became Sheila Allen after marrying Irwin Allen. She would appear in many of his movies, television movies and series.
She died on November 15, 2013 of pulmonary fibrosis at the age of 84.
- Alice in Wonderland--Alice's Mother
- City Beneath the Sea–-Blonde Woman
- Five Weeks in a Balloon--Courtier (uncredited)
- Land of the Giants Wild Journey--Miss Collier, Deadly Lodestone--Nurse Helg
- Lost in Space Princess of Space--Aunt Gamma, The Space Vikings--Brynhilda, Return from Outer Space--Ruth Templeton
- Outrage!--Mrs. Delehanty
- The Poseidon Adventure--Nurse
- The Towering Inferno--Paula Ramsay
- Voyage to the Bottom of the Sea The Blizzard Makers--Mrs. Melton
- When Time Ran Out...--Mona