Deines was born in Edmonton, Alberta and raised on Vancouver Island, British Columbia, where from a very young age, she and her childhood troupe wrote and performed plays at local community events. Deines aggressively pursued her acting passion by moving to Toronto, where she attended and graduated from the Ryerson Theatre School. Deines has appeared in numerous television series, such as Real Kids, Real Adventures (1997), F/X: The Series (1996), The Rez (1996), Fast Track (1997), Wind at My Back (1996) and Nancy Drew (1995). She also appeared in the television movie, The Return of Alex Kelly (1999). Her theatre credits include from the Stratford Festival Theatre, "A Midsummer Night's Dream", "Pride and Prejudice", "The Prime Of Miss Jean Brodie", "The Night of the Iguana" and "Seaside Dive" at the Glen Morris Studio. Deines has a diverse range of interests including rock climbing, learning to speak Spanish and writing poetry. She currently resides in Toronto.