• 
  Michael Keaton

  Lanny Wolf
• 
  James Cromwell

  Shaw (1 episode, 1977)
• 
  Mark Harmon
• 
  Richard Crenna

  Richard C. Barrington (22 episodes, 1976-1977)
• 
  Gordon Hurst

  Freddie Joe (1 episode, 1977)
• 
  Lee Chamberlin

  Lucy Daniels (22 episodes, 1976-1977)
• 
  Helen Page Camp

  Nurse Adams (1 episode, 1976)
• 
  Bernadette Peters

  Charlotte 'Charley' Drake (22 episodes, 1976-1977)

• 
  Tom Poston

  Harold Banks (1 episode, 1977)
• 
  Charlotte Rae

  Madge (1 episode, 1976)
• 
  Marcel Hillaire

  Frenchman (1 episode, 1977)
• 
  Warren Berlinger

  Lafferty (1 episode, 1977)
• 
  Judith Kahan

  Ginger Livingston (22 episodes, 1976-1977)
• 
  Jack Dodson

  Senator Wayne Joplin (22 episodes, 1976-1977)
• 
  Janis Paige

  Barbara (1 episode, 1976)

• 
  William Schallert

  J.L. Radburn (1 episode, 1976)
• 
  J.A. Preston

   Allen Brooks (24 episodes, 1976-1977)