Ratner co-stars as Sam Berger, Chief of Staff to Nicholas Campbell's Mayor Dominic Da Vinci, on the critically acclaimed Da Vinci's City Hall and follows that role into Quality of Life.
Having worked extensively in both Canada and the U.S., Ratner's past film work includes the lead role in Bruce Sweeney's Last Wedding for which he was awarded the 2001 Film Can Best Actor Award, and was named Best Canadian Actor by The Vancouver Film Critics' Circle. For his work in 2002's Looking for Leonard, Ratner was named Best Supporting Actor by the Vancouver Film Critics' Circle.
Other film highlights include leading roles in film festival hits Dirty, also by Bruce Sweeney, and Zachariah, directed by Michael Rohl. Other films roles include his directorial debut Moving Malcolm, opposite Elizabeth Berkley and John Neville, the Canadian Film Centre's 19 Months, directed by Randall Cole, as well as A Problem With Fear, Long Life Happiness and Prosperity, See Grace Fly, and Expiration Date, to name a few.
In addition to numerous other lead and supporting roles in both studio and independent features, Ratner has co-starred in films such as Wrongfully Accused, Good Boy!, Ignition, and up-coming features Gray Matters, opposite Heather Graham, Man About Town, opposite Ben Affleck, Numb, opposite Mathew Perry, and Bruce Sweeney's American Venus opposite Rebecca DeMornay.
Ratner was a series regular on ABC's, Kingdom Hospital, written by Stephen King. His other notable television credits include guest star roles on The Twilight Zone, The Dead Zone and Mysterious Ways. He has appeared in over 50 television shows including DaVinci's Inquest, Beggars and Choosers, Becker, and Seven Days. He recently won a Leo Award for his Guest Performance on The Collector.
In television movies, Ratner has co-starred opposite Brian Dennehy in Indefensible, Stockard Channing in An Unexpected Life, and Barbara Hershey in The Stranger Beside Me. He also appeared in Once a Thief, directed by John Woo.