In the 1970s, Slezak played the non-singing role of Frosch, the jailer, in the San Francisco Opera production of Johann Strauss' operetta Die Fledermaus.
Walter Scott | Sir Walter Scott | Walter Cronkite | Walter Raleigh | Walter Benjamin | Walter Mondale | Walter Matthau | Walter Gropius | Walter Hamma | Walter Savage Landor | Walter Burley Griffin | Walter Payton | Walter | Bruno Walter | Walter Winchell | Walter Crane | Walter Rilla | Walter Koenig | Walter Brennan | Walter Sickert | Walter Pidgeon | Walter Isaacson | Walter Damrosch | Walter Crickmer | Walter Brueggemann | Walter Reed | Walter Browne | Little Walter | Walter Runciman, 1st Viscount Runciman of Doxford | Walter Rothschild, 2nd Baron Rothschild |
In the 1960s Batman TV series, the Clock King was portrayed by Walter Slezak in the season two consecutive episodes, '"The Clock King's Crazy Crimes" and "The Clock King Gets Crowned," which ABC transmitted on October 12 and October 13, 1966. The two-parter was written by Batman co-creator Bill Finger and Charles Sinclair and directed by James Neilson.
Coppelius (or Fantástico mundo del doctor Coppelius, El) is a 1966 Spanish English-language comedy film based on the ballet Coppelius directed by Ted Kneeland and featuring Walter Slezak and Claudia Corday.
The character of Squire Trelawney has been played in film adaptations by Nigel Bruce (1934), Walter Slezak (1972),