Mack Furlong has worked as a host of CBC Radio program, a co-creator of The Great Eastern radio show, which aired from 1994 to 1999,, and a voice actor for minor characters in The Great Eastern radio show.
Furlong has been a frequent host of, and contributor to, CBC Radio programs. Along with Steven Palmer and Ed Riche, Furlong co-wrote and co-created The Great Eastern, a comedic radio show purporting to be a genuine arts and entertainment program, that ran on CBC Radio One between 1994 and 1999. Furlong played Paul Moth, the host of the titular show-within-a-show The Great Eastern, as well as voicing other minor characters. 
