Throughout his career, Gotell also made numerous guest appearances in television series including Danger Man, Knight Rider, The A-Team, Airline, Airwolf, The X-Files, Scarecrow and Mrs. King, MacGyver, Star Trek: The Next Generation, Miami Vice, Cagney & Lacey and The Saint among others. He played Chief Constable Cullen in Softly, Softly: Taskforce (1969–75).