John Michael Higgins (born February 12, 1963) is an American actor whose film credits include Christopher Guest's mockumentaries and the role of David Letterman in HBO's The Late Shift.

Higgins was born in Boston, Massachusetts and attended Amherst College, where he belonged to the elite all-male a cappella group, The Zumbyes.

Higgins's numerous television credits include recurring characters on Ally McBeal, Brother's Keeper, Boston Legal and Honey, I Shrunk the Kids: The TV Show. He played attorney Wayne Jarvis in five episodes of Arrested Development. Higgins arranged the dense vocal harmonies sung by the New Main Street Singers in 2003's A Mighty Wind. Recently, Higgins has gained more recognition by being featured in the films Fun with Dick and Jane and The Break-Up. His work as a voice actor includes the role of Judge Mentok in Harvey Birdman, Attorney at Law and 2401 Penitent Tangent in Halo 2. Higgins is also remembered for portraying David Letterman in the HBO made-for-TV movie The Late Shift. Higgins can also be seen in the introductory video for the Epcot attraction Test Track.

Higgins appears on the stage from time to time as well. In 1991 he was featured in Broadway's La Bête and in 2000 he was seen off-Broadway at Second Stage Theatre in a production of Edward Albee's Tiny Alice.

He has one son, Walter, born August 29, 2006.

Sir John Michael Higgins GCMG (9 December 1862 – 6 October 1937) businessman and metallurgist.

Higgins was the son of E. S. Higgins and was born at Castlemaine, Victoria, Australia. He was educated at a school at Bendigo, and afterwards studied metallurgy and chemistry at the Bendigo School of Mines. He was indentured to Mr. Garside, a chemist at Bendigo, and afterwards had a pharmacy business of his own, which he sold to become an analyst in a New South Wales mine. He later became metallurgical chemist to the Australian Smelting Company at Dry Creek, South Australia, and when these works closed down, practised as a consulting metallurgist. He also acquired interests in the wool industry and had land in Queensland and New South Wales. This led to his making a study of wool and he became an expert in its technology.

When the World War I began Higgins placed his knowledge at the disposal of the government, and was appointed honorary metallurgical adviser. He represented the government on the Zinc Producers' Association and on the Copper Producers' Association, and also founded the Australian Metal Exchange. After the Imperial government bought the Australian wool clip in 1916, Higgins became chairman and governing director of the central wool committee, and after the war he was chairman of directors of the British Australian Wool Realization Association, afterwards known as Bawra, and was most successful in the management of the sale of the wool carried over at the end of the war. Higgins would not accept any salary or fee for his work as adviser to the government, but had a large salary as chairman of BAWRA, half of which was distributed every year to charitable and educational institutions. He held this position until 1926, when the association went into liquidation and he became trustee for a further six years. He died at Melbourne on 6 October 1937. He married in 1889 Frances Anna, daughter of R. L. Macgrath, who died in 1932. He had no children. He was created K.C.M.G. in 1918 and G.C.M.G. in 1934.

Higgins was a quiet, unassuming man who did most valuable work for the government and the pastoral community during and after the war. He was kind and charitable, and made many typically unostentatious gifts. With his wife he on various occasions gave sums amounting to about £10,000 to the University of Melbourne, and a further considerable sum will eventually go to it under his will. Hospitals and other institutions will also benefit.

Was praised for his performance as David Letterman in "The Late Shift," although Letterman himself mocked the bright red hair that Higgins sported in the role.

Did all the vocal arrangements for The New Main Street Singers in the movie A Mighty Wind.

He has one son, Walter Lloyd Higgins, born August 29, 2006, to him and his wife Margaret Welsh.