Walter Olkewicz | |
|---|---|
 Walter Olkewicz in Seinfeld | |
| Born | May 14, 1948 |
| Died | April 6, 2021 (aged 72) Reseda, Los Angeles, California, US |
| Other names | Ray Holland |
| Occupation | Actor |
| Years active | 1976–2017 |
| Children | 1 |
Walter Olkewicz (May 14, 1948 – April 6, 2021) was an American character actor. He played Marko in the short-lived TV series Wizards and Warriors and Coach Wordman in the feature film Making the Grade.