The Doctor investigates Rossini's International Circus. The Master, meanwhile, has assumed control at the plastics factory and is manufacturing new lines of living plastics.
Name | Type | Role | |
---|---|---|---|
Robert Holmes | Writer | ||
Barbara Leake | Guest Star | ||
Harry Towb | Guest Star | ||
John Baskcomb | Guest Star | ||
Stephen Jack | Guest Star | ||
Barry Letts | Director |