BEN FALLS FOR CRYSTAL'S NEW ASSISTANT, ON ABC'S "MR. SUNSHINE"

Lizzy Caplan Guest Stars as Vivian

"Ben and Vivian" - Ben is in for a surprise when his one-night-stand turns out to be Crystal's new assistant, Vivian, on ABC's "Mr. Sunshine," WEDNESDAY, APRIL 6 (9:31-10:00 p.m., ET). When Ben and Vivian try to continue their "no strings attached" relationship, Ben discovers something about himself. Meanwhile, Crystal's efforts to be a responsible mom to Roman are derailed, and the mascot sends Alonzo over the edge.

"Mr. Sunshine" stars Matthew Perry as Ben, Allison Janney as Crystal, Andrea Anders as Alice, James Lesure as Alonzo and Nate Torrence as Roman.

Other guest stars include Portia Doubleday as Heather, Toby Huss as Travis and David Pressman as the mascot.

"Ben and Vivian" was written by Eric Gilliland and directed by Bryan Gordon.

"Mr. Sunshine" is broadcast in 720 Progressive (720P), ABC's selected HDTV format, with 5.1-channel surround sound. A TV parental guideline will be assigned closer to airdate.

For more information on "Mr. Sunshine," visit ABC.com.