The Expert The Visitor: Part 1: Hypothesis (Season 2, Episode 1)
TV Episode | Crime, Drama

Primary photo for The Visitor: Part 1: Hypothesis

The Expert

The Visitor: Part 1: Hypothesis (Season 2, Episode 1)

TV Episode | Crime, Drama

Murders take place and each crime is similar to the last. One person must have committed them; but who? Another attack. The victim survives but has amnesia and is the only person who can make an identification. A suspect is arrested.

Director

Prudence Fitzgerald

Writers

N.J. Crisp (creator) | Gerard Glaister (creator) | John Gould

Producer

Gerard Glaister

Editor

Bert Meadows

Production Designer

Don Homfray

See all filmmakers & crew (16)

Edit Released

Updated Apr 4, 1969

Release date

Apr 4, 1969 (United Kingdom)

Contacts

+ Add

Become a member to see contact information for The Visitor: Part 1: Hypothesis.

Cast	+ Add Cast
16 cast members

Name	Known for
Marius Goring Prof. John Hardy Prof. John Hardy See fewer	The Red Shoes (1948)
Ann Morrish Dr. Jo Hardy Dr. Jo Hardy See fewer	Encounter (1952)
Victor Winding Det. Chief Insp. Fleming Det. Chief Insp. Fleming See fewer	Doctor Who (1963)
Michael Farnsworth Det. Sgt. Ashe Det. Sgt. Ashe See fewer	Conflict (1966)
Harry Beety Insp. Lawrence Insp. Lawrence See fewer	Holly (1972)
Gina Cachia Woman Police Officer Woman Police Officer See fewer	Z Cars (1962)
John Collin Det. Chief Supt. Mowbray Det. Chief Supt. Mowbray See fewer	Tess (1979)
Michael Johnson Martin Martin See fewer	The Human Jungle (1963)
Desmond Jordan Caretaker Caretaker See fewer	The Avengers (1961)
Clare Kelly Mrs. Clark Mrs. Clark See fewer	The Cuckoo Waltz (1975)
Anne Kristen Susan Susan See fewer	The View from Daniel Pike (1971)
Neil McCallum Cooper Cooper See fewer	The Woman Who Wouldn't Die (1965)
Louise Pajo Sally Sally See fewer	Doctor Who (1963)
Geoffrey Palmer Asst. Chief Con. Rogers Asst. Chief Con. Rogers See fewer	Tomorrow Never Dies (1997)
Veronica Strong Vivien Vivien See fewer	The Avengers (1961)
Marjorie Wilde Neighbour Neighbour See fewer	Monty Python's Flying Circus (1969)