Jenner served as a
Los Angeles Police Department reserve officer for 21 years. He had early roles on two daytime programs, as Tony Cooper on
Somerset (1974–76) and as Evan Webster on
Another World (1976–77), where he was involved with Olive Gordon (
Jennifer Leak) in an infamous storyline plot to kill long-time character John Randolph (
Michael M. Ryan). In 1981, Jenner appeared in several episodes of
Knots Landing as Jeff Cunningham, the ex-husband of Abby Cunningham (
Donna Mills). Jenner made
guest appearances in other series such as
Good Morning, Miss Bliss,
Barnaby Jones,
Highway to Heaven,
Falcon Crest,
Hart to Hart,
Matlock,
V,
Silk Stalkings, and
Walker, Texas Ranger. Jenner was best known for his recurring role as Carl Winslow's boss Lt. Lou Murtaugh on
Family Matters from 1990 to 1992. Jenner had a recurring role on
Star Trek: Deep Space Nine as Admiral
William Ross, appearing in twelve episodes of the series. From 1996 to 1998, he co-starred in the short-lived sitcom
Something So Right. In a 1999 episode of the animated television series
King of the Hill, Jenner is awarded a plot in the
Texas State Cemetery for his appearances on
Dallas. ==Personal life and death==