The Doctor attempts to test his new dematerialisation circuit by taking Jo to Metebelis Three but instead the TARDIS arrives in the hold of a 1920s cargo ship.
| Name | Type | Role | |
|---|---|---|---|
| Robert Holmes | Writer | ||
| Tenniel Evans | Guest Star | ||
| Leslie Dwyer | Guest Star | ||
| Jenny McCracken | Guest Star | ||
| Cheryl Hall | Guest Star | ||
| Barry Letts | Director |