[2] In addition to performing with The Second City improv group in Toronto and Los Angeles,[2] Oldring has appeared on Canadian television.
He was also a regular cast member of the redneck-themed sketch comedy series Blue Collar TV.
Oldring also appeared in the series Doc and The WB's D.C., as well as in the television movie The Ricky Nelson Story.
His voice acting credits include the animated children's show Braceface, Mischief City, Miss Spider's Sunny Patch Kids, My Friend Rabbit, Pelswick, Total Drama, 6teen, Pecola and Glenn Martin, DDS.
Oldring has also voicing video game characters, such as Alfred Ashford in Resident Evil – Code: Veronica.