New HBO show – “In Treatment” September 22, 2006 HBO HBO’s new half-hour show will center on a shrink who is seeing a shrink. Gabriel Byrne will be playing the main character. Mia Wasikowska was cast as another character who is receiving treatment. This new show is based on a popular Israeli series of the same name. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pocket (Opens in new window)