Bonanza: The Hidden Enemy (1972)
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Circuitously commenting upon the drug culture of the 1970s, this Bonanza episode probes the dangers of the onetime "wonder drug" morphine. Future MASH regular Mike Farrell is cast as Dr. Will Agar, who is revealed to be a morphine addict after he inadvertently causes the death of a young patient during routine surgery. Also in the cast are Gary Busey as Dr. Agar's hapless victim Henry Johnson, David Huddleston as Henry's father, Melissa Murphy as Agar's wife Nancy, and Mons Kjellin (the son of director Alf Kjellen) as Agar's son Chris. Written by Stanley Roberts and Jack B. Sowards, "The Hidden Enemy" first aired on November 28, 1972. ~ Hal Erickson, All Movie Guide
Complete Cast:
- Lorne Greene - Ben Cartwright
- David Canary - Candy
- Melissa Murphy - Nancy Agar
- Gary Busey - Henry Johnson
- Harry Holcombe - Dr. Martin
- Ayn Ruymen - Nurse Evie Parker
- Russell Thorson - Judge Phelps
- Billy Clark - Cowhand
- Michael Landon - Joe Cartwright
- Mike Farrell - Dr. Will Agar
- David Huddleston - Myles Johnson
- Bing Russell - Clem
- Mons Kjellin - Chris Agar
- Mel Gallagher - Smitty
- Jason Wingreen - Graham
- Director(s):
- Alf Kjellin
- Writer(s):
- Stanley Roberts, Jack B. Sowards
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