'Covert Affairs' Star Piper Perabo Books Arc on NBC's 'Go On'

Piper Perabo Headshot Golden Globes 2011
Jason Merritt/Getty Images

BEVERLY HILLS, CA - JANUARY 16:  Actress Piper Perabo arrives at the 68th Annual Golden Globe Awards held at The Beverly Hilton hotel on January 16, 2011 in Beverly Hills, California.

Piper Perabo has found a high-profile moonlighting gig.

The star of USA Network's Covert Affairs has booked a three-episode arc on NBC's Go On, The Hollywood Reporter has confirmed.

On the NBC freshman comedy starring Matthew Perry, Perabo will play Simone, a former member of Ryan's support group who returns to therapy and becomes a love interest for the sportscaster coping with the death of his wife.

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USA Network renewed Covert Affairs for a fourth season in September.

This marks the latest high-profile casting for Go On, which has also featured Parenthood star Lauren Graham guest starring in a recent episode -- also as a love interest for Perry's Ryan, and a plethora of sports personalities including gold medalist Misty May-Treanor.

Perabo is repped by UTA and TMT.

Email: Lesley.Goldberg@thr.com; Twitter: @Snoodit