Formerly Executive Director of the Sandusky State Theatre in Ohio, Costin is now Manager of Programming, Marketing and Audience Development at The Rose Theatre in Brampton, Ontario.
In a long career, Costin has produced over fifty plays, directed almost twice as many, from classics and contemporary dramas, to comedies and farces, and acted in over seventy productions. His favourite stage roles include Paravicini in The Mousetrap, Mike in American Modern and Hucklebee in The Fantastics. On screen, amongst others, Costin has appeared in The Knights of South Bronx opposite Ted Danson, Wild Iris with Gena Rowlands and Laura Linney, The Relic Hunter and Street Legal. Costin has worked extensively in the theatre in Europe and the United States and has also appeared in many TV commercials.