Mamma Mia

Summary

Liz and Tracy encourage Jack to search for his real father. Tracy meets his new found illegitimate son, but Liz and Pete question the son's intentions. Jenna takes the credit for one of Liz's ideas.

Guest stars

• John Lutz as J.D. Lutz
• Lonny Ross as Josh Girard
• Alan Alda as Milton Greene
• Keith Olbermann as Sportscaster
• Stuart Margolin as Fred
• Amy Schumer as Stylist
• Grizz Chapman as Grizz Grizzwold
• Clayton Dean Smith as Photographer
• Steve Buscemi as Lenny Wosniak
• Michael Benjamin Washington as Donald