Although he had been heard on air on 3AW since 1936. Henry Van Der Sluys (Roy Rene) (Mo McCackie) is fondly remembered for his 1940s offering as Mo in the most popular segment of the "Calling the Stars" show "McCackie Mansion".
Unfortunately the exact date of this episode is unknown.

Johnny Farnham with Muriel Cooper Christmas Special
52:48

The great sense of humour of Allan Moffat
04:27

John Laws speaks to a caller about Rolf Harris
06:45