Delbert Martin Mann, Jr. (born January 30, 1920 Lawrence, Kansas) American television and film director. He graduated from Vanderbilt University in Nashville, Tennessee. He was married to Ann Caroline Mann from 1941 until his wife's death in 2001.
From 1967 to 1971, he was president of the Directors Guild of America.
He won the Academy Award for Directing the film Marty.

Selected Filmography

Marty (1955)
The Bachelor Party (1957)
Desire Under the Elms (1958)
Separate Tables (1958)
The Dark at the Top of the Stairs (1960)
Lover Come Back (1961)
The Outsider (1961)
That Touch of Mink (1962)
A Gathering of Eagles (1963)
All Quiet on the Western Front (TV adaptation, 1969)
The Last Days of Patton (TV)