In 1967 he released a single, "Have You Ever Seen The Blues" / "Have You Dug His Scene" (Chisa Records, CH006).
Kotto was cast as a religious man living in the southwestern desert country in the 1967 episode, "A Man Called Abraham", on the syndicated anthology series, Death Valley Days, hosted by Robert Taylor. In the story line, Abraham convinces a killer named Cassidy (Rayford Barnes) that Cassidy can change his heart despite past crimes. When Cassidy is sent to the gallows, Abraham provides spiritual solace. Bing Russell also appeared in this segment.