Brokeback Mountain and The Good Girl star Jake Gyllenhaal has signed on for the lead role in HBO's limited series, Lake Success.

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Gyllenhaal will also executive produce the project based on Gary Shteyngart's book.

This will be Gyllenhaal's first starring role in a television series.

Gyllenhaal will play Barry Cohen, a hedge-fund manager who leaves his wife and autistic son and embarks on a cross-country journey to find his college girlfriend

"Gary's novel is a beautifully executed character study highlighting the depth of human contradiction and complication, set against the timely backdrop of America today," Gyllenhaal and his producing partner Riva Marker said in a joint statement Thursday. "We are thrilled to partner with HBO, who has consistently been home to some of the most exciting and acclaimed premium content over the past two decades."