She joins the already announced Tom Everett Scott, Julie White and Johnny Galecki. The latter two appeared in the Off-Broadway debut of the comedy at Second Stage. Scott Ellis directs.

Ari Graynor won the 60th annual Clarence Derwent Award for her performance as a sexy literary groupie Alison in Manhattan Theatre Club's production of Donald Margulies' Brooklyn Boy. Since then, she has appeared Off-Broadway in Dog Sees God. She will play Ellen, the pal of Galecki's character.

The Little Dog Laughed satirizes the world of tabloid gossip, Hollywood and celebrities in a story that centers around a Hollywood agent (White), her very up-and-coming boy-toy client (Scott) and a sexy young drifter (Galecki).

The Little Dog Laughed began performances Off-Broadway Dec. 13, 2005 and the opened Jan. 9 to positive critical response, extending the run four more weeks through Feb. 26, 2006.

The original design team transfers to Broadway: Allen Moyer (set), Jeff Mahshie (costumes), Donald Holder (lighting) and original music by Lewis Flinn.

Tickets to The Little Dog Laughed at the Cort, 138 West 48 Street, will be available by calling (212) 239-6200. For more information on the show, visit secondstagetheatre.com/littledog.