• 
  Joel Crothers

  Julian Cannell
• 
  Ray Fulmer

  17 episodes, 1974
• 
  Eleanor Phelps

  21 episodes, 1974
• 
  Sigourney Weaver

  Avis Ryan
• 
  JoBeth Williams

   Carrie Wheeler (2 episodes, 1976)
• 
  Philip MacHale

   David Grant (2 episodes, 1976)
• 
  Jameson Parker

   Dale Robinson (2 episodes, 1976)
• 
  Tina Sloan

   Kate Thornton Cannell (2 episodes, 1976)

• 
  Mary Woronov

  13 episodes, 1974
• 
  Gene Bua

  11 episodes, 1976
• 
  Harriet Hall

  9 episodes, 1972-1974
• 
  Fawne Harriman

  Ginger Kurtz Cooper #3
• 
  Barry Jenner

  Tony Cooper #3
• 
  Ed Kemmer

  10 episodes, 1974
• 
  Audrey Landers

  Heather Lawrence Kane

• 
  Michael Lipton

  Dr. Stan Kurtz