丹尼斯在美國的北加州出生和長大，高中畢業後他被提供以各種體育類獎學金，但他卻選擇了去American Academy of Dramatic Arts學習演戲。1979年，27歲的丹尼斯正式展開表演生涯，首個角色是客串出演《The White SDennis HaysbertDennis Haysbert
丹尼斯·海斯伯曾經有過兩段婚姻，和第一任妻子生的兩個孩子目前和他一起生活。此外他在對抗愛滋病領域一直積極貢獻著自己的力量，曾擔任Harlem(紐約黑人住宅區) Health Expo "Break the Silence"、national leadership commission on AIDS、以及the western center on law and poverty的活動發言人。
個人生活
基本情況
家人：兩任前妻
Lynn Griffith(1989-2001)
Elena Simms(1980-1984)
兩個孩子
詳細成員
Dennis's first wife was Elena Simms/ They were married from the 13th of April 1980 till 1984.
His second wife was Lynn Griffith. The were married from 1989 till 2001. Dennis and Lynn have two children:
Charles Cameron Haysbert (born on November 19, 1990).
Katherine Camille Haysbert (born on September 9, 1994).
Dennis's family members:
Father - Charles Haysbert Sr.
Mother - Gladys Haysbert.
Brother - Charles Haysbert Jr (born in June 1941; died at age 33 of bone cancer in November 1974).
Sister - Rita Alice Haysbert (born on June 27, 1947).
Brother - Lenier Garnet Haysbert (born on May 8, 1949).
Brother - Stanley Hershel Haysbert (born on February 17, 1953).
Himself - Dennis D. Haysbert (born on June 2, 1954).
Brother - Adam H Haysbert (born on February 16, 1962).
Dennis Haysbert
秘密行動組 THE UNIT