• 
  John Ritter

  Jack Tripper
• 
  Suzanne Somers

  Christmas Snow
• 
  Priscilla Barnes

  Terri Alden
• 
  Rita Wilson

  Agnes Platt
• 
  Kathy Shower

  Millicent
• 
  Ted Gehring

  Sandra's Father (1 episode, 1978)
• 
  James Cromwell

  Detective Lannigan (1 episode, 1977)
• 
  Jeffrey Tambor

  Dr. Phillip Greene  (4 episodes, 1979-1982)

• 
  Emmaline Henry

  J.C. Braddock (2 episodes, 1978-1979)
• 
  Macon McCalman

  Roland Wood  (3 episodes, 1979-1983)
• 
  Bibi Osterwald

  Mrs. Penrose (1 episode, 1979)
• 
  Bob Tzudiker

  Mr.Jones (1 episode, 1983)
• 
  Michael Yama

  Croupier (1 episode, 1983)
• 
  Peter Mark Richman

  Reverend Snow (3 episodes, 1978-1979)
• 
  John Fiedler

  Morris Morris (1 episode, 1977)

• 
  Ken Letner

  Policeman (1 episode, 1979)
• 
  Donald Petrie

  Officer Jim Bolton (1 episode, 1981)
• 
  Gary Grubbs

  Harry (1 episode, 1983)
• 
  Loni Anderson

  Susan Walters (1 episode, 1978)
• 
  Ed Gilbert

  Lt. Briscoe (1 episode, 1981)
• 
  Frank Aletter

  Tom Latham (1 episode, 1981)
• 
  Susan Blu

  Sandra (1 episode, 1978)
• 
  J. Pat O'Malley

  Leo Moran (1 episode, 1979)
• 
  Norman Fell

  Stanley Roper  (56 episodes, 1976-1981)
• 
  Don Porter

  Uncle Fremont (1 episode, 1977)
• 
  Suze Lanier-Bramlett

  Chrissy Snow (1 episode, 1976)
• 
  Terence McGovern

  Ray Hagen (1 episode, 1982)
• 
  Jean Bates

  Alice (1 episode, 1979)
• 
  Laurette Spang

  Inga (1 episode, 1980)
• 
  Marie Ney

  Chrissy Snow (89 episodes, 1977-1981)
• 
  Stuart Gillard

  Neil (1 episode, 1978)
• 
  Brian Robbins

  Marc Furley (1 episode, 1983)
• 
  Lolita Davidovich

  Kelly (1 episode, 1981)
• 
  K.C. Winkler

  Nancy (1 episode, 1984)
• 
  Steve Sandor

  Harvey (1 episode, 1980)
• 
  Floyd Levine

  Security Officer (1 episode, 1983)
• 
  John Larroquette

  Cop (1 episode, 1979)
• 
  Ben Slack

  John (1 episode, 1983)
• 
  Sally Kirkland

  Sally (1 episode, 1977)
• 
  Anne Ramsey

  Woman at the ATM (1 episode, 1983)
• 
  John Martin

  Rex (1 episode, 1984)
• 
  George Petrie

  Mr. Williams (1 episode, 1984)
• 
  Paul Barselou

  Man  (2 episodes, 1978-1983)
• 
  Cynthia Harris

  Mrs. Layton (1 episode, 1979)
• 
  Ann Wedgeworth

  Lana Shields (12 episodes, 1979-1980)
• 
  Valerie Curtin

  Jenny (1 episode, 1976)
• 
  Jan Sterling

  Judge Sheffield (1 episode, 1980)
• 
  Dick Shawn

  Jack Tripper, Sr. (1 episode, 1983)
• 
  Ruta Lee

  Marsha Whitewood  (2 episodes, 1979-1982)
• 
  Joyce DeWitt

  Janet Wood (173 episodes, 1976-1984)
• 
  Rod McCary

  Bill Martin  (2 episodes, 1979-1983)
• 
  Lois Hamilton

  Katy Williams  (2 episodes, 1978-1981)
• 
  Pamela Brull

  April (1 episode, 1981)
• 
  Leon Askin

  Mr. Hoffmeier (1 episode, 1979)
• 
  Britt Leach

  Chuck  (3 episodes, 1981-1984)
• 
  John Getz

  Lee Tripper (1 episode, 1980)
• 
  Joanna Kerns

  Bobby Trilling  (2 episodes, 1980-1983)
• 
  Steve Vinovich

  Ben Baxter (1 episode, 1980)
• 
  Angel Tompkins

  Grace Thompson (1 episode, 1978)
• 
  Earl Boen

  Reverend Gilmore (1 episode, 1982)
• 
  Dick Sargent

  Lloyd Cross (1 episode, 1977)
• 
  Rebecca Holden

  Bunny  (1 episode, 1980)
• 
  Anthony Holland

  Layne (1 episode, 1983)
• 
  Patty McCormack

  Anne Brookes (1 episode, 1979)
• 
  Brad Blaisdell

  Mike the Bartender (10 episodes, 1981-1983)
• 
  Richard Partlow

  RouletteTournee (1 episode, 1983)
• 
  Anne Schedeen

  Linda Page  (5 episodes, 1978-1982)
• 
  Susanne Zenor

  Samantha (1 episode, 1976)
• 
  Janice Heiden

  Marilyn Campbell (1 episode, 1984)
• 
  David Dukes

  Jim Walsh (1 episode, 1978)
• 
  Robyn Peterson

  Tammy (1 episode, 1983)
• 
  Jacque Lynn Colton

  Bernice  (2 episodes, 1982-1984)
• 
  John Brandon

  Police Captain James (1 episode, 1982)
• 
  Ilene Graff

  Daphne Smith (1 episode, 1983)
• 
  Ellen Crawford

  Brenda McNair (1 episode, 1983)
• 
  Joyce Bulifant

  Mrs. Cross (1 episode, 1977)
• 
  Don Knotts

  Ralph Furley (94 episodes, 1979-1984)
• 
  Michael Bell

  Michael  (2 episodes, 1978-1981)
• 
  James Staley

  Special Agent Banning (1 episode, 1979)
• 
  Keene Curtis

  Andrew Gainer  (2 episodes, 1979-1981)
• 
  Terry Kiser

  Max  (2 episodes, 1981-1982)
• 
  Mickey Deems

  Gimbel  (5 episodes, 1978-1982)
• 
  Beau Starr

  Officer (1 episode, 1983)
• 
  Teresa Ganzel

  Greedy Gretchen (1 episode, 1981)
• 
  Amzie Strickland

  Gladys Moore (1 episode, 1981)
• 
  Harold J. Stone

  Bernie Bustamente (1 episode, 1979)
• 
  Archie Hahn

  Jerry Randall (1 episode, 1978)
• 
  Parley Baer

  Bert Landers (1 episode, 1983)
• 
  Peter Isacksen

  Joey (1 episode, 1982)
• 
  Shera Danese

  Barmaid (2 episodes, 1976-1977)
• 
  Sondra Currie

  Arlene Price  (3 episodes, 1977-1984)
• 
  Peter Schuck

  Pete (1 episode, 1977)
• 
  Mary Cadorette

  Vicky Bradford (3 episodes, 1984)
• 
  Simone Griffeth

  Nancy Norwood (1 episode, 1979)
• 
  Mark W. Travis

  Hank Thompson (1 episode, 1982)
• 
  Daniel Greene

  Police Officer (1 episode, 1983)
• 
  Joan Roberts

  Secretary (1 episode, 1979)
• 
  Jenilee Harrison

  Cindy Snow (29 episodes, 1980-1982)
• 
  Barry Gordon

  Gilbert Larwin (1 episode, 1980)
• 
  Jordan Charney

  Frank Angelino  (12 episodes, 1979-1983)
• 
  Lee Crawford

  Doreen Maxwell (1 episode, 1980)
• 
  Sue Ane Langdon

  Cindy's Aunt Becky (1 episode, 1982)
• 
  Natalie Core

  Miss Fitsimmons (1 episode, 1983)
• 
  Robert Clotworthy

  Tony Williams (2 episodes, 1984)
• 
  Bob Harter

  Regal Beagle Patron (1 episode, 1982)
• 
  Lana Clarkson

  Sharon Gordon (1 episode, 1983)
• 
  Roger C. Carmel

  Merl Denker (1 episode, 1979)
• 
  Ian Abercrombie

  The Lawyer (1 episode, 1984)
• 
  Stanley Kamel

  Clean Cut Man (1 episode, 1982)
• 
  Reb Brown

  Elmo Hacker (1 episode, 1979)
• 
  John David Carson

  Bradley Hastings (1 episode, 1983)
• 
  Jeannetta Arnette

  Detective Green (1 episode, 1983)
• 
  Michael Ensign

  Doctor (1 episode, 1984)
• 
  Michael Alldredge

  Sam (1 episode, 1982)
• 
  John McCook

  Alan  (2 episodes, 1981-1982)
• 
  Audra Lindley

  Helen Roper (56 episodes, 1976-1981)
• 
  Richard Kline

  Larry Dallas