Overview 
      
        
          | Production number | 
          36 | 
         
        
          | Air date | 
          Dec 22nd, 1967 | 
         
        
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          | Director | 
          Joseph Pevney | 
         
        
          | Teleplay | 
          Robert Bloch | 
         
       
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      - Story
 
      
        
          | Stardate 3614.9 | 
         
        
          | On Argelius a series of mysterious murders happens that were seemingly always
          committed by Scotty. | 
         
       
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      - Guest Cast
 
      
        
          | John Fiedler | 
          Mr. Hengist | 
         
        
          | Charles Macaulay | 
          Jaris | 
         
        
          | Pilar Seurat | 
          Sybo | 
         
        
          | Joseph Bernard | 
          Tark | 
         
        
          | Charles Dierkop | 
          Morla | 
         
        
          | Tania Lemani | 
          Kara | 
         
        
          | Virgina Aldridge | 
          Lt. Karen Tracy | 
         
        
          | Judy McConnell | 
          Yeoman Tankris | 
         
        
          | John Winston | 
          Transporter chief / Argelian bartender | 
         
        
          | Judi Sherven | 
          Nurse | 
         
       
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      - Rating
 
      
        
     
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