Kasher has performed at festivals internationally. In addition to the aforementioned Rooftop Comedy Festival and Just For Laughs, in 2010, he appeared at Fun Fun Fun Fest and South By South West both held in Austin, Texas, as well as Cat Laughs in Kilkenny, Ireland, and the Sasquatch! Music Festival in George, Washington. In 2011 he appeared at the Melbourne Comedy Festival in Melbourne, Australia. Kasher has also attended SF Sketchfest in San Francisco, California on several occasions.