[4] After he came to the United States in 1938 to sing on broadcasts of Larry Clinton's orchestra,[4] Todd became a favourite with radio listeners across the country.

During 1944–1945, Todd spent a year on a USO tour, entertaining troops during World War II.

He returned to network radio July 28, 1945, on Your Hit Parade, replacing Lawrence Tibbett as the featured male singer, counterpart to Joan Edwards.

[1] He was a soloist on programs such as Melody and Madness, Avalon Time, Rinso-Spry Vaudeville Theatre,[4] Hometown Incorporated, and Show Boat.

In a 1940 magazine article, a writer commented, "He has the heaviest record-making schedule of any singer in the country.