MARJORIE INVITES HER HEARTBROKEN, UPSTAIRS TENANT TO CELEBRATE CHRISTMAS WITH THE FAMILY, ON "THE McCARTHYS," THURSDAY, DEC. 18

Alyson Hannigan Guest Stars as Pam; the Upstairs Tenant, And Gilles Marini Guest Stars as Maurice, Ronny's Date

"Red Sox Swap" - When Pam, the McCarthys' upstairs tenant, is heartbroken over a recent breakup, Marjorie invites her to celebrate Christmas with the family and watch them play their extremely competitive annual gift exchange game, on THE McCARTHYS, Thursday, Dec. 18 (9:30-10:00 PM, ET/PT) on the CBS Television Network. Alyson Hannigan guest stars as Pam, the upstairs tenant; Gilles Marini guest stars as Maurice, Ronny's date.

REGULAR CAST:

Tyler Ritter (Ronny McCarthy)
Joey McIntyre (Gerard McCarthy)
Jimmy Dunn (Sean McCarthy)
Kelen Coleman (Jackie McCarthy)
Jack McGee (Arthur McCarthy)
Laurie Metcalf (Marjorie McCarthy)

GUEST CAST:

Alyson Hannigan (Pam)
Jessica St. Clair (Katrina)
Jeff Hiller (Phillip)
Gilles Marini (Maurice)
Connor Kalopsis (Young Ronny)

WRITTEN BY: Jim Brandon and Brian Singleton

DIRECTED BY: Executive Producer Pamela Fryman