Rosie O'Donnell attends an event at the New York Marriott...

Rosie O'Donnell attends an event at the New York Marriott Marquis on April 4, 2016. She will play Tutu in Showtime's "SMILF" pilot. Credit: Getty Images / Cindy Ord

Rosie O’Donnell has joined the cast of the Showtime comedy pilot “SMILF,” based on the Sundance Film Festival Jury Award-winning short film of the same name, reports Newsday contributor Frank Lovece.

The Commack-born comedian, 54, will play Tutu, the unapologetically brash mom of writer-star Frankie Shaw’s character Bridgette, a 20-something whose desires for relationships, sex and a career collide with the realities of young single-motherhood.

Alongside Shaw (“Blue Mountain State”) and O’Donnell, who has had recurring roles on CBS’ “Mom” and ABC Family/Freeform’s “The Fosters,” will be Alex Brightman (Broadway’s “School of Rock”), Graham Rogers (“Quantico”) and newcomer Kyle Vincent Terry.

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