Guest Stars Jonno Davies as Tobias Henry Hunter Hall as Cheeks Johnson Julissa Bermudez as Maria De La Ruiz Ebony Obsidian as Carol Lockhart Caleb Emery as Arthur "Bootyhole" McGuigan Jason Kravits as Rabbi Grossman Tramell Tillman as Detective Sommers John Hans Tester as Karl Holstedder Jon Collin Barclay as Young Holstedder Kathryn Kates as Hilda Hoffman Jill Larson as Frannie Fischer Co Starring Mary Jo McConnell as Una Jackson Mattek as Alexander Ronald Woodhead as Lukas Krisztián Csákvári as Humming Prisoner #1 Péter Jankovics as Auschwitz Violinist Krisztina Legerszki as Auschwitz Flute Player Florin Penișoară as Singing Prisoner #5 Orsolya Gazdag-Kötél as Auschwitz Clarinetist Kevin Guzewich as Singing Prisoner #3 Easton Noble as Young Son Ayla Schwartz as Bat Mitzvah Girl Austin Jennings Boykin as Singing Prisoner #2 Dean Kyburz as Singing Prisoner #4 Bence Brasch as Nazi SS #2 Esther Chen as Stewardess Natalie Jacobs as Bess Sommers Cherie Mendez as Jeanine Frist Richard Clodfelter as Otto Kuhn Aidan Peter Hart as Singing Prisoner #1 Péter Fancsikai as Nazi SS #1 Viktor Dénes as Auschwitz Tuba Player Miklós Kapácsy as Nazi SS #3 Szofi Berki as Humming Prisoner #2 Zsolt Vicei as Auschwitz Conductor C.L. Simpson as Arlene Sommers Barry D. Godin as Senator O'Heir Tricia Paoluccio as Mother