Interpol Calling
Season 1, Episode 33: The Three Keys
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Duval is on the trail of Thackeray, an international forger who robs safes and substitutes forged bills for the real thing.
All Episodes - Season 1
Episode 1
The Thirteen Innocents
Episode 2
The Money Game
Episode 3
The Sleeping Giant
Episode 4
The Two-Headed Monster
Episode 5
The Long Weekend
Episode 6
You Can't Die Twice
Episode 7
Diamond S.O.S.
Episode 8
Private View
Episode 9
Dead on Arrival
Episode 10
Air Switch
Episode 11
The Angola Brights
Episode 12
The Chinese Mask
Episode 13
Slave Ship
Episode 14
The Man's a Clown
Episode 15
Last Man Lucky
Episode 16
No Flowers for Onno
Episode 17
Mr. George
Episode 18
The Thousand Mile Alibi
Episode 19
Act of Piracy
Episode 20
Game for Three Hands
Episode 21
The Collector
Episode 22
The Heiress
Episode 23
Payment in Advance
Episode 24
Checkmate
Episode 25
Fingers of Guilt
Episode 26
The Girl with Grey Hair
Episode 27
Trial at Cranby's Creek
Episode 28
Ascent to Murder
Episode 29
Slow Boat to Amsterdam
Episode 30
White Blackmail
Episode 31
A Foreign Body
Episode 32
In the Swim
Episode 33
The Three Keys
Episode 34
Eight Days Inclusive
Episode 35
Dressed to Kill
Episode 36
Cargo of Death
Episode 37
Desert Hi-Jack
Episode 38
Pipeline
Episode 39
The Absent Assassin