He appeared in more than twenty film roles and worked as an on-air presenter and broadcaster on Springbok Radio.
[2] He met two South African entertainers, Siegfried Mynhardt and Uys Krige, in Rome, Italy, near the end of World War II.
"[2] However, his most famous job at Springbok Radio was hosting the hugely popular quiz show Pick a Box, which aired for fourteen years from 1960 until 1974.
[2] Courtney broadcast Pick a Box from a variety of unusual locations including Antarctica, the Cango Caves, the Union-Castle Line and a mine shaft.
[2] He also launched the Springbok show Greet the Bride, which would air for five days per week for twenty years on the radio.
[2] However, the South African Broadcasting Corporation decided against the relaunch of Springbok Radio in 1994, citing financial concerns.
[2] His film roles included Lord Oom Piet in 1962, Kruger Millions, All the Way to Paris, Dingaka and Hans en die Rooinek.