Along with her identical twin sister, Alissa Krämer, she played one of the "infamous" Delaney twins. Heidi played Megan while Alissa played Jenny. A Canadian actress, she was born in Vancouver, British Columbia. She has appeared in a number of productions, mostly with her twin, most notably the second season of MTV's Undressed (2000) and The Adventures of Pluto Nash (2002) as one of the Francis twins. The sisters were one of the famous sets of "Doublemint Twins" in the Doublemint advertising campaign. Heidi also appeared in Divorce: The Musical (2002), without her sister Alissa.