Clifton Webb as Mr.Belvedere

Joanne Dru as Miss Tripp

Hugh Marlowe as Reverend Watson

Zero Mostel as Emmett

Doro Merande as Mrs. Hammer

William H. Lynn as Mr. Beebe

Harry Hines as Mr. Cherry

Thomas Browne Henry as Father Shea

Hugh Beaumont as Policeman

Frances Brandt as Miss Hoadley

Kathleen Comegys as Mrs. Sampler

Jane Marbury as Mrs. Gross

Warren Stevens as Reporter

Ray Montgomery as Reporter

Harry Antrim as Bishop Daniels

J. Farrell MacDonald as Mr. Kroeger

Norman Leavitt as Pharmacist

Dorothy Neumann as Librarian

Ferris Taylor as Curtis

Bess Flowers as Bazaar Patron

Robert McCord as Helper