• 
  Hugh Wilson

  Policeman #1 (1 episode, 1978)
• 
  Craig T. Nelson

  Charlie Bathgate (1 episode, 1981)
• 
  Jack Kruschen

  Judge H.P. Newcomb (1 episode, 1982)
• 
  Linda Carlson

  Nikki Sinckler (1 episode, 1980)
• 
  Ernie Lively

  Cedric (1 episode, 1981)
• 
  Ralph Manza

  Harvey Green (1 episode, 1981)
• 
  Lou Richards

  Officer Madigan (2 episodes, 1981)
• 
  Loni Anderson

  Jennifer Elizabeth Marlowe (89 episodes, 1978-1982)

• 
  Nicholas Kadi

  Kyrlenko (1 episode, 1979)
• 
  Arthur Malet

  Father Riley (1 episode, 1979)
• 
  Robert Hooks

  Prosecutor (1 episode, 1982)
• 
  Steven Wright

  Security Officer (1 episode, 1979)
• 
  Kenneth Kimmins

  Wayne Craven (1 episode, 1980)
• 
  Gary Sandy

  Andy Travis (90 episodes, 1978-1982)
• 
  Berry Kroeger

  Mr. Eisenhower (1 episode, 1978)

• 
  Peter Marshall

  Phil Tarry (1 episode, 1980)
• 
  Michael Pataki

  Detective Alcorn  (2 episodes, 1980-1982)
• 
  Ned Wertimer

  Steve Pievy (1 episode, 1978)
• 
  John Witherspoon

  Detective Davies (1 episode, 1982)
• 
  Carmen Filpi

  Percy Romanoff (1 episode, 1982)
• 
  Jan Smithers

  Bailey Quarters (86 episodes, 1978-1982)
• 
  Robert Ridgely

  Dave Wickerman (1 episode, 1982)
• 
  George Gaynes

  Henri (1 episode, 1979)
• 
  George Wyner

  D. Arnold Gonzer (2 episodes, 1980)
• 
  Hoyt Axton

  T.J. Watson (1 episode, 1979)
• 
  David Clennon

  Norris Breeze (1 episode, 1981)
• 
  Julie Payne

  Buffy Denver (2 episodes, 1979)
• 
  Richard Sanders

  Les Nessman  (89 episodes, 1978-1982)
• 
  John Chappell

  Rev. Drinkwater (1 episode, 1979)
• 
  Vincent Schiavelli

  Don Pesola #1 (1 episode, 1979)
• 
  Kenneth Tigar

  Dr. Hunnisett (1 episode, 1981)
• 
  Richard Derr

  Judge Randall (1 episode, 1982)
• 
  Tom Dreesen

  Rick Jesperson (1 episode, 1982)
• 
  Max Wright

  Frank Bartman (2 episodes, 1982)
• 
  Noble Willingham

  Smilin' Al (1 episode, 1980)
• 
  Suzanne Kent

  Merciful Sister of Melody #3 (1 episode, 1979)
• 
  Peter Elbling

  Blood (1 episode, 1978)
• 
  Dennis Lipscomb

  Pat Perillo (1 episode, 1981)
• 
  Edie McClurg

  Lucille Tarlek (3 episodes, 1979-1980)
• 
  Tom Chehak

  Other Cop (1 episode, 1978)
• 
  Jacque Lynn Colton

  Nurse Smith (1 episode, 1980)
• 
  Daphne Reid

  Elaine Parker  (2 episodes, 1980-1982)
• 
  Pat O'Brien

  Colonel Buchanan (1 episode, 1981)
• 
  Bill McLean

  Harvey Moorhouse (1 episode, 1981)
• 
  David Chow

  Japanese Executive #1 (1 episode, 1979)
• 
  Steve Marshall

  Delivery Man #2 (1 episode, 1979)
• 
  Allyn Ann McLerie

  Carmen Carlson (4 episodes, 1979-1982)
• 
  Andy Romano

  Dr. Levin (1 episode, 1980)
• 
  Terry Kiser

  Jason Realli (1 episode, 1980)
• 
  Helena Carroll

  Tiffany Hopkins (1 episode, 1979)
• 
  Parley Baer

  Mr. Armor (1 episode, 1980)
• 
  Michael Des Barres

  Sir Charles 'Dog' Weatherbee (1 episode, 1978)
• 
  Ross Bickell

  Clark Callahan (1 episode, 1979)
• 
  Tim Reid

  Venus Flytrap (87 episodes, 1978-1982)
• 
  Art Metrano

  Ted Jeffrey (1 episode, 1982)
• 
  Sam Anderson

  Agent Berwick  (4 episodes, 1979-1981)
• 
  Alex Rodine

  Interpreter (1 episode, 1980)
• 
  Rosemary Forsyth

  Joyce Armor (2 episodes, 1981)
• 
  Jerry Hardin

  Officer Plyler (1 episode, 1979)
• 
  Sylvia Sidney

  Mama Carlson (1 episode, 1978)
• 
  Bill Ewing

  Doctor (1 episode, 1982)
• 
  Vince Trankina

  Recording Engineer (1 episode, 1979)
• 
  Howard Hesseman

  Johnny 'Dr. Fever' Caravella (90 episodes, 1978-1982)
• 
  Garry Goodrow

  Bob Burnatt (1 episode, 1978)
• 
  Fred Stuthman

  Randall Ferryman (1 episode, 1979)
• 
  Jim Begg

  Bartender (1 episode, 1979)
• 
  Larry Hankin

  Mickey Broadhead (1 episode, 1980)
• 
  Ian Wolfe

  Hirsch - Butler (4 episodes, 1981-1982)
• 
  Michael Fairman

  Buddy Barker  (2 episodes, 1978-1980)
• 
  Frank Bonner

  Herb Tarlek
• 
  Gordon Jump

  Arthur 'Big Guy' Carlson