Lisa Howard (Jenny Steinberg), Sierra Boggess (Rebecca Steinberg), Tyne Daly (Judy Steinberg), Harriet Harris (Georgette Howard), David Burtka (Brian Howard), Montego Glover (Annie Shepard), Josh Grisetti (Marty Kaufman), Adam Heller (Walt/Uncle Morty), Edward Hibbert (Albert), Chip Zien (Murray Steinberg), Michael X Martin (George Howard), Anne L Nathan (Mimsy/Aunt Sheila), Nick Spangler (Greg Madison)