David Cosman Nettheim (10 July 1925 – 11 March 2008) was an Australian actor.
Born in Sydney, and brought up in Cremorne Point the eldest son of actor (Leslie) Roy Nettheim (who hosted a classical music program on radio 2GB and its Macquarie Radio Network) and the actress Mary Hosking, he was introduced to the theatre when his parents joined Doris Fitton's Independent Theatre.[1]
He was educated at Sydney Grammar School and joined 2GB as an office boy in 1941. He took on occasional writing and announcing roles and was involved in production of John Dease's "Quiz Kids".[1]
He helped Sir Charles Mackerras (an old schoolfriend) prepare classical music programs for radio. He adapted Xavier Herbert's Capricornia as a radio serial.[1]
He was involved with the Metropolitan Theatre, Mercury Theatre and Phillip Street Theatre, where he both wrote for and acted in their famous revues.[1]
He worked with Michael Bentine and John Bluthal in the Goon Show-like radio programme "Three's a Crowd" for radio 2UE, which ran for 34 weekly half-hour episodes.[2] He next worked in England with Peter Sellers and Michael Bentine in the 1957 television comedy skit show Yes, It's the Cathode-Ray Tube Show. The following year he relocated to England, and for 20 years he was seldom out of work but maintained ties with Australia in regular hookups with John West for his radio programme "The Showman". [1]
In 1977 he settled in the Sydney suburb of Glebe, New South Wales|Glebe]]. He appeared in stage and television productions, and took on the positions of federal treasurer for Actors' Equity (now Media, Entertainment and Arts Alliance). He was involved in the doomed campaign to save the Regent Theatre in Sydney from demolition and helped manage the Actors' Benevolent Fund.
He never married and was survived by two brothers and two sisters.