Mindy had been mentioned a couple of times on the show but only made an appearance in two episodes. The first episode, Season 1, Episode 20, The One With the Evil Orthodontist, she is played by Jennifer Grey. In her last appearance, Season 2, Episode 24, The One With Barry and Mindy's Wedding, she is played by Jana Marie Hupp.
Robin Williams
Mork & Mindy
Robin Williams .
My Sister Sam
Mork and Mindy - 1978 Mork Gets Mindy-itis 2-7 is rated/received certificates of: Argentina:Atp
Robin Williams
Mork & Mindy
Robin Williams .
Robin Williams.
My Sister Sam
That would be "Robin Williams".
Mork and Mindy - 1978 Mindy and Mork 3-21 is rated/received certificates of: Argentina:Atp
Mork and Mindy - 1978 Mindy and Mork 3-21 was released on: USA: 7 May 1981
Mork and Mindy - 1978 Mork vs- Mindy 2-6 is rated/received certificates of: Argentina:Atp
I believe you are thinking of Robin Williams.
Mork and Mindy - 1978 Mork Gets Mindy-itis 2-7 is rated/received certificates of: Argentina:Atp
Mork and Mindy - 1978 Mama Mork Papa Mindy 4-5 was released on: USA: 5 November 1981