| Name | Type | Role | |
|---|---|---|---|
| Abby Mann | Writer | ||
| Albert Szabo | Guest Star | Rudolph Petersen | |
| Alex Gerry | Guest Star | Judge Norris | |
| Melvyn Douglas | Guest Star | Gen. Parker | |
| Marketa Kimbrell | Guest Star | Maria Wallner | |
| Claude Rains | Guest Star | Judge Dan Haywood | |
| Oliver McGowan | Guest Star | Senator | |
| Ludwig Donath | Guest Star | Dr. Wickert | |
| Torben Meyer | Guest Star | Werner Lammpe | |
| Paul Lukas | Guest Star | Ernst Janning | |
| Peter Capell | Guest Star | Geuter | |
| Gregory Gaye | Guest Star | Frederich Hoffstetter (as Gregory Gay) | |
| Maximilian Schell | Guest Star | Otto Rolfe | |
| Werner Klemperer | Guest Star | Emil Hahn | |
| Wendell Holmes | Guest Star | Judge Ives | |
| Martin Milner | Guest Star | Captain Byers | |
| George Roy Hill | Director |