Dennis plays Russ Bradly Morrison in the ABC sitcom “Trophy Wife” about a woman who marries into a family with three manipulative children and two judgmental ex-wives.
Dennis stars as Jonas Blane in the CBS action drama television series “The Unit” about a top-secret military unit modeled after the U.S. Army special operations unit known as Delta Force.
Dennis is President David Palmer in this Fox network drama thriller that covers 24 hours in the life of an agent who must subvert terrorists’ plots in order to save the nation.
Dennis voices the character of ‘Kilowog’ in the animated action television series “Justice League” about the most powerful team made up of seven formidable super heroes.
Dennis voices the character of ‘Police Chief Barnsdale’ in the animated television series “Static Shock” about the adventures of DC Comics’ superhero, Static.
Dennis plays Rick Grant in the television drama “Soul Food” about the everyday life and problems of the Josephs, a black family living in Chicago, Illinois.
Dennis stars as Dr. Theodore Morris in the CBS television series “Now and Again” created by Glenn Gordon Caron. Mr. Haysbert won a Saturn Award for Best Genre TV Supporting Actor for his role in “Now and Again.”
Dennis plays Jack Jackson in the “Return to Lonesome Dove” a TV mini-series that focuses on a retired Texas Ranger and his adventures driving mustangs from Texas to Montana.
Dennis plays James Morgan in this NBC television situation comedy “Night Court.” The setting is the night shift of a Manhattan court, presided over by the young, unorthodox Judge Harold T.
Dennis is Franklin Himes in this NBC television drama “Crime Story” about a Chicago police detective’s efforts to stop a young hood’s ruthless rise in the ranks of organized crime.
Dennis plays Kimambo in episode, “Bill’s Lost Weekend,” 1986 the CBS television series “Scarecrow and Mrs. King” about the adventures of a housewife and a spy with whom she fell in with.
Dennis plays a policeman in episode, “I’ll be Homeless for Christmas,” for the situation comedy “What’s Happening Now!!” a sequel to the 1970s sitcom, “What’s Happening!!”
Dennis plays Odell in episode, “Father’s Day,” in the detective series “Riptide” about three Vietnam veterans who now work as private eyes in sunny Southern California.
Dennis plays a psychiatric ward staff member in episode, “One More Time,” for the action-adventure television series “The A-Team” about four Vietnam veterans framed for a crime they didn’t commit.
Dennis plays the characters of Ensign, Lieutenant Parsons and Helmsman in the science fiction adventure television “Buck Rogers in the 25th Century” about a 20th century astronaut who is revived out of 500 years of suspended animation into a future time where Earth is threatened by alien invaders.
Dennis plays a lab assistant in episode, “Headhunter,” for the NBC television series “Quincy, M.E.” that follows the cases of a coroner who investigates suspicious deaths that usually indicate homicide.
Dennis plays an imperious leader in episode, “Space Croppers,” for this ABC network science fiction television series, and a spin-off from the original Battlestar Galactica television series.
Dennis voices the character of a guard in episode, “Nine Hours,” for this television series “The Incredible Hulk” based on the Marvel Comics’ character, the Hulk.
Dennis plays a Navy shore patrolman in episode, “What Do You Do with a Drunken Sailor?,” for the ABC sitcom “Laverne & Shirley” about the misadventures of two single women in the 1950s and ’60s.
Dennis is a basketball player in episode, “Wanna Bet?,” for this CBS network drama series “The White Shadow”, about a retired, white NBA professional player who gets a job as a basketball coach in a predominantly black inner-city high school.
