James Barrie Sikking, credited as James or James B. Sikking, is an American actor known for his Emmy-nominated role as Lt. Howard Hunter on the 1980s NBC TV series Hill Street Blues. He also starred on the ABC TV series Doogie Howser, M.D. as Dr. David Howser and on the short-lived 1997 CBS drama series Brooklyn South as Captain Stan Jonas. All three series were co-created by Steven Bochco. Sikking did the voice of General Gordon on the short-lived 1998 cartoon series Invasion America.
His well known films include The Competition, Outland, Up the Creek and Star Trek III: The Search for Spock, as well as a minor part, as a cynical hitman, in Point Blank. Sikking's film career started in 1955. Sikking starred in the critically acclaimed 1992 Fox Network TV movie Doing Time on Maple Drive. He has made guest appearances on many TV series including Perry Mason, Rawhide, Bonanza, The Outer Limits, General Hospital, The Rockford Files, The Bob Newhart Show, Hunter and Batman Beyond.
Sikking was born in Los Angeles. His mother, Sue Sikking, was a founder of Santa Monica's Unity-by-the-Sea Church. Sikking graduated from UCLA in 1959 and attended the University of Hawaii.