Ally makes their "singing" debut. Grant crams his big Irish family into his tiny L.A. apartment.
| Name | Type | Role | |
|---|---|---|---|
| Kathryn O'Brien | Guest Star | ||
| Brennan Lee Mulligan | Guest Star | ||
| Raphael Chestang | Guest Star | ||
| Connor O'Brien | Guest Star | ||
| Jessica Ross | Guest Star | ||
| Katie Marovitch | Guest Star | ||
| John O'Brien | Guest Star | ||
| Mike Trapp | Guest Star | ||
| Joseph O'Brien | Guest Star | ||
| Deborah O'Brien | Guest Star | ||
| Patrick O'Brien | Guest Star | ||
| Michael Schaubach | Director |