IMDb > "Thriller" An Echo of Theresa (1973)

"Thriller" An Echo of Theresa (1973)

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Brian Clemens (writer)
View company contact information for An Echo of Theresa on IMDbPro.
TV Series:
Original Air Date:
5 May 1973 (Season 1, Episode 4)
An American visiting London becomes confused about the facts of his life particularly related to a mysterious Thersa. Full summary » | Add synopsis »
User Reviews:
A Curious Mystery See more (3 total) »


 (Episode Cast) (in credits order)

Polly Bergen ... Suzy Hunter
Paul Burke ... Brad Hunter
Dinsdale Landen ... Matthew Earp
Basil Henson ... Charles Merrow

Vernon Dobtcheff ... Bannerheim
Meriel Brook ... Theresa
William Job ... Trasker
Roger Hume ... Dr. Korner
Larry Taylor ... Sagar
Betty Woolfe ... Cleaner
Neville Phillips ... Bar Waiter
Ted Richards ... First Taxi Driver
rest of cast listed alphabetically:
John Caesar ... Second Taxi Driver
John Tatum ... Man in Hotel Bar (uncredited)

Episode Crew
Directed by
Peter Jefferies 
Writing credits
(in alphabetical order)
Brian Clemens  writer

Produced by
Cecil Clarke .... executive producer
John Sichel .... producer
Original Music by
Laurie Johnson 
Film Editing by
Moyra Bird 
Tom Rowland 
Production Design by
Michael Eve 
Makeup Department
Marie Roche .... makeup artist
Art Department
Terry Royce .... stand-by props
Sound Department
Bob Woodhouse .... sound
Camera and Electrical Department
Roy Simper .... camera operator
Costume and Wardrobe Department
K. Conry-Halley .... wardrobe
Other crew
Anne Clark .... stage manager

Series Crew
These people are regular crew members. Were they in this episode?
Writing credits
(in alphabetical order)
Brian Clemens  created by

Production CompaniesDistributors

Additional Details

Also Known As:

Did You Know?

There's a scene in this episode where the main character asks to be taken to Manchester Square. The building that he is taken to is EMI House and the stairwell above the door is where the famous picture of The Beatles on the front cover of Please Please Me was taken. The building has since been demolished.See more »


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2 out of 3 people found the following review useful.
A Curious Mystery, 8 June 2002
Author: Alan Briscoe ( from Coventry, England

This is one of the earliest of Brian Clemens's "Thriller" series. It is not one of the better efforts, although it is a clever story, has one outstanding character, and a slick climax.

In this story an American couple visit London. While there the husband begins to behave extremely strangely, referring to someone called "Theresa", whom no-one knows, and even attacking his wife. Periods of normal, lucid behaviour are punctuated by outbursts. His wife calls for help that leads to the unorthodox detective Matthew Earp. Earp uncovers a tale of espionage that puts the couple at risk ..

The action moves very slowly, which is hard work for the viewer, and the story is very complex. The outbursts by the husband become very irritating. Things pick up strongly with the arrival of Earp, played with camp abandon and panache by Dinsdale Landen. However his comic style isn't wholly right for a tale of fear and suspense like this.

This is still worth seeing, and you have more chance of doing so as it was one of the few episodes released on video.

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