Last updated 09 January 2020

Episode 5

Episode 5

Series Episode Number: 190

World Premiere: Sat 20 Jan 1968 - 5:24pm GMT [BBC One] (United Kingdom)
Running Time: 24 minutes 22 seconds

6.90 Million (UK)

Appreciation Index: 49 (UK)

Chart Position: 73 () (UK)

Recorded on Sat 30 Dec 1967 in Lime Grove D
Archive State: Found (11-Oct-13)

Impersonating Salamander, the Doctor infiltrates the research centre, but Benik becomes suspicious. Underground, Salamander's deception is discovered.

Characters hide uncredited
Dr. WhoPatrick Troughton
SalamanderPatrick Troughton
Donald BruceColin Douglas
Giles KentBill Kerr
AstridMary Peach
BenikMilton Johns
Guard CaptainElliott Cairnes
Guard in CorridorWilliam McGuirk
JamieFrazer Hines
VictoriaDeborah Watling
SwannChristopher Burgess
ColinAdam Verney
MaryMargaret Hickey
Guard in CaravanDibbs Mather
Kanowa GuardDavid Troughton (uncredited)
Kanowa GuardKen Fraser (uncredited)
Kanowa GuardTony Norman (uncredited)
Kanowa GuardDenis Blacombe (uncredited)
Kanowa GuardBlair Stewart (uncredited)
SheltererPearl Hawkes (uncredited)
SheltererRosina Stewart (uncredited)
SheltererValerie Taylor (uncredited)
SheltererRuth Harrison (uncredited)
SheltererSarah Lisemore (uncredited)
SheltererDeborah Millar (uncredited)
SheltererJohn Timberlake (uncredited)
SheltererGeoffery Obert (uncredited)
SheltererJohn Clevedon (uncredited)
SheltererBill Howes (uncredited)
SheltererFreddie Whiles (uncredited)
SheltererFrancis Batsoni (uncredited)