Did Robin Williams play a bit part in the Magnum PI episode Did you see the Sunrise Part 1?

Yes, Robin Williams made a cameo appearance in the "Magnum, P.I." episode titled "Did You See the Sunrise? Part 1." He played a small role as a character named "Ricky," which was part of a comedic scene with Tom Selleck's character, Thomas Magnum. This cameo is notable as it showcases Williams' signature improvisational style. The episode originally aired in 1987.