Alaina Kalanj (known as Huffman) is a Canadian actress most famous for her parts in Supernatural, Smallville, and Painkiller Jane (Canadian TV show).

She was born in Vancouver on April 17, 1980. She shares 2 sons and 2 daughters with her ex-husband John Huffman. Her filmography resume includes The O.C., NCIS, CSI: NY, and SCI: Miami. Alaina was a series regular in Stargate Universe.

Aside from the shows, she played in a number of movies including Amber Alert, The Perfect Match, and Deadly Voltage.