
| Character name: Phoebe
| Played by: Emily Mortimer
| Appeared in episode(s): Corporate Crush, Cleveland, Hiatus
| Character & plot connections: Jack's fiance
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| Character name: Angie Jordan
| Played by: Sherri Shepherd
| Appeared in episode(s):
| Character & plot connections: Tracy's wife
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| Character name: Elisa
| Played by: Salma Hayek
| Appeared in episode(s):
| Character & plot connections: Jack's Puerto Rican girlfriend
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| Character name: Devon Banks
| Played by: Will Arnett
| Appeared in episode(s):
| Character & plot connections: Jack's arch nemesis
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| Character name: Celeste Cunningham
| Played by: Edie Falco
| Appeared in episode(s):
| Character & plot connections: Jack's girlfriend
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| Character name: Colleen Donaghy
| Played by: Elaine Stritch
| Appeared in episode(s):
| Character & plot connections: Jack's overbearing mother
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| Character name: Gavin Volure
| Played by: Steve Martin
| Appeared in episode(s): Gavin Volure
| Character & plot connections: Jack's friend, tries to seduce Liz
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| Character name: Oprah Winfrey
| Played by: herself
| Appeared in episode(s):Believe in the Stars
| Character & plot connections: She sits next to Liz on a flight, but it turns out to be a figment of some pain killers Liz is on.
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