First of two episodes written by Anthony Eisley.(The second was A Taste for Money (1961) at the end of season two.)
Cricket sings "I May Be Wrong (But I Think You're Wonderful)" written by Henry Sullivan and Harry Ruskin for the 1929 musical revue Murray Anderson's Almanac.
The marionettes were provided by puppeteer Bob Baker, who also demonstrated his skills in the later Robert Conrad series The Night of the Puppeteer (1966).