Beside Star Trek, Ferguson appeared in several other television series such as JAG and Babylon 5 and in the 1996 comedy Sgt. Bilko, in which fellow Star Trek performers Pamela Adlon, Steve Kehela, Richard Herd, Henry Hayashi, Clifton Collins, Jr., and Andrea C. Robinson also had roles. Other projects include television commercials and informercials. Today, Ferguson is working as a teacher in computer skills and occasionally a camera operator for MTSAC college video crew.