
Daniel Davis (born November 26, 1945) is an American stage, screen, and television actor best known for portraying Niles the butler on the popular sitcom The Nanny, and for his two guest appearances as Professor Moriarty on Star Trek: The Next Generation, affecting an upper class English accent for both roles. He also voices the intelligent Cro Magnon, Longhair from the Longhair and Doubledome cartoon shorts from Cartoon Network's Big Pick.

The Prestige
2006 · as Judge

The Hunt for Red October
1990 · as CPT Charlie Davenport (USS Enterprise)

K-9
1989 · as Halstead

Havana
1990 · as Marion Chigwell

In Fashion
1974 · as Moulineaux

The Nanny: Oy to the World
1995 · as Niles (voice)

The Perfect Tribute
1991 · as Gov. Curtin

The Spirit
1987 · as Teasdale

Chain Letters
1985 · as Steve

Davy Crockett
1986 · as Congressman

The Nanny Reunion: A Nosh to Remember
2004

The Eagle and The Bear
1985 · as Underhill

Palomino
1991 · as Doctor

Longhair and Doubledome: Good Wheel Hunting
2000 · as Longhair (voice)