• 
  Jerry Stiller

  Lloyd Zimmer (1 episode, 1976)
• 
  John Ritter

  Jerry Blocker  (2 episodes, 1975-1976)
• 
  Charles Siebert

  Dr. Murray Berger (1 episode, 1978)
• 
  George Loros

  Julie (1 episode, 1974)
• 
  Rafael Campos

  Ramon Diaz Jr.  (7 episodes, 1977-1978)
• 
  Mike Henry

  Man (1 episode, 1976)
• 
  Cara Williams

  Mae (2 episodes, 1974)
• 
  K Callan

  Dr. Sanders (1 episode, 1977)

• 
  Norman Fell

  Dr. Gerber  (2 episodes, 1975)
• 
  Denise Nicholas

  Denise Culp (1 episode, 1975)
• 
  Frank Campanella

  Mickey (1 episode, 1975)
• 
  Stuart Margolin

  Dr. Arthur Alborn (2 episodes, 1975-1976)
• 
  Ted Knight (I)

  Ted Baxter (1 episode, 1974)
• 
  Louise Latham

  Louise Shattner (1 episode, 1974)
• 
  James L. Brooks

  Subway Passenger (1 episode, 1974)

• 
  David Groh

  Joe Gerard (55 episodes, 1974-1977)
• 
  Anne Meara

  Sally Gallagher (7 episodes, 1976-1977)
• 
  David Ogden Stiers

  Dr. Curt Dreiser  (2 episodes, 1976-1977)
• 
  Judd Hirsch

  Mike (2 episodes, 1977)
• 
  Mary Tyler Moore

  Mary Richards (6 episodes, 1974-1977)
• 
  Arthur Space

  Doctor (1 episode, 1974)
• 
  Michael Lerner

  Ralph Bentley (1 episode, 1975)
• 
  Joyce Jameson

  Mrs. Gruenwald (1 episode, 1976)
• 
  Bill Zuckert

  Nolan Arthur (1 episode, 1974)
• 
  Robert Rothwell

  Man (1 episode, 1975)
• 
  Liam Dunn

  Gene Dempsey (1 episode, 1976)
• 
  Rene Auberjonois

  Dr. John Fox (2 episodes, 1976-1977)
• 
  Allen Garfield

  David Bloom (1 episode, 1975)
• 
  Ron Silver

  Gary Levy  (15 episodes, 1975-1978)
• 
  Carmen Filpi

  Frank  (2 episodes, 1978)
• 
  Rosanna DeSoto

  Receptionist (1 episode, 1978)
• 
  Ruth Gordon

  Carlton's Mother (1 episode, 1975)
• 
  Martin Kove

  Gary (1 episode, 1974)
• 
  George Wyner

  Earl Goodwin (2 episodes, 1978)
• 
  Georgia Engel

  Georgette Franklin (2 episodes, 1974)
• 
  Melanie Mayron

  Sandy Franks (3 episodes, 1975-1976)
• 
  Kenneth McMillan

  Jack Doyle (15 episodes, 1977-1978)
• 
  Valerie Curtin

  Michele Joyce (1 episode, 1977)
• 
  Leland Palmer

  Kelly Fisk (1 episode, 1976)
• 
  Robert Moore

  Lowell Snyder  (2 episodes, 1974-1976)
• 
  Valerie Harper

  Rhoda Morgenstern Gerard (110 episodes, 1974-1978)
• 
  Richard Foronjy

  Brubaker (1 episode, 1977)
• 
  David L. Lander

  Mel Towers (1 episode, 1975)
• 
  Ray Buktenica

  Benny Goodwin (21 episodes, 1977-1978)
• 
  Joanna Kerns

  Customer (1 episode, 1977)
• 
  J.R. Miller

  Little Boy (1 episode, 1977)
• 
  Tim Matheson

  Michael Stearns (1 episode, 1976)
• 
  Robert Alda

  Paul Gerard (2 episodes, 1974)
• 
  Charles Lane

  Mr. Fosner (1 episode, 1974)
• 
  Cloris Leachman

  Phyllis Lindstrom (2 episodes, 1974)
• 
  Edward Asner

  Lou Grant (2 episodes, 1974)
• 
  Carol DeLuise

  Doris (1 episode, 1977)
• 
  Joseph V. Perry

  Carpenter (1 episode, 1978)
• 
  Brian Avery

  Eric Jurgenson (1 episode, 1976)
• 
  Richard Masur

  Nick Lobo (7 episodes, 1974-1977)
• 
  Pamela Bellwood

  Jill Martin (1 episode, 1974)
• 
  John Evans

  Construction Worker (1 episode, 1978)
• 
  Barbara Minkus

  Millie (1 episode, 1977)
• 
  Robert Walden

  Ernie Joyce (1 episode, 1977)
• 
  Peter Elbling

  Jacques (1 episode, 1976)
• 
  Will Mackenzie

  Mr. Pennick (1 episode, 1975)
• 
  Marjorie Bennett

  Mrs. Fosner (1 episode, 1974)
• 
  Norman Bartold

  Maitre 'd (1 episode, 1974)
• 
  Joan Van Ark

  Marian Gerard (1 episode, 1975)
• 
  Gavin MacLeod

  Murray Slaughter (2 episodes, 1974)
• 
  Richard Romanus

  Luis Alvarez (1 episode, 1974)
• 
  Anne Jackson

  Bea (1 episode, 1977)
• 
  Norman Burton

  Ben Levy (1 episode, 1976)
• 
  Larry Gelman

  Wendell (1 episode, 1977)
• 
  Harold Gould

  Martin Morgenstern (20 episodes, 1974-1978)
• 
  Elizabeth MacRae

  Adele (1 episode, 1977)
• 
  Wally Dalton

  Phil Faber (1 episode, 1975)
• 
  Charlotte Crossley

  Renee (2 episodes, 1977)
• 
  Linda Lavin

  Linda Monroe (1 episode, 1974)
• 
  Terry Kiser

  Dennis (1 episode, 1976)
• 
  Doris Roberts

  Sylvia Levy (1 episode, 1976)
• 
  Kip Gilman

  Ron (2 episodes, 1976-1977)
• 
  Philip Sterling

  Phillip Cooper (1 episode, 1978)
• 
  Eileen Heckart

  Aunt Lillian (1 episode, 1976)
• 
  Tim Reid

  Kitchen Helper (1 episode, 1976)
• 
  Lindsay Bloom

  Joni (1 episode, 1976)
• 
  Barbara Rhoades

  Arlene Paxton (1 episode, 1978)
• 
  John Crawford

  Man at Bar (1 episode, 1975)
• 
  Byron Webster

  Funeral Director (1 episode, 1974)
• 
  James Burrows

  Agent (1 episode, 1974)
• 
  Wendy Schaal

  Jan (2 episodes, 1976)
• 
  Robert Costanzo

  Male Student (1 episode, 1978)
• 
  Jack Bernardi

  Max  (2 episodes, 1976-1978)
• 
  Howard Hesseman

  Kirk Stevens (1 episode, 1974)
• 
  Ron Vernan

  Dr. Gelson (1 episode, 1978)
• 
  Jack Gilford

  Billy Glass (1 episode, 1976)
• 
  Jeremy Stevens

  Marty Davidson (1 episode, 1976)
• 
  Cliff Osmond
• 
  Candice Azzara

  Alice Barth  (5 episodes, 1975-1978)
• 
  Howard Storm

  Guy at Bar  (2 episodes, 1975-1976)
• 
  Peggy Pope

  Irene Goodwin (1 episode, 1978)
• 
  Michael Alldredge

  Ed Riley (1 episode, 1978)
• 
  Erica Yohn

  Mae Parker  (3 episodes, 1976-1978)
• 
  Julie Kavner

  Brenda Morgenstern
• 
  Lorenzo Music

  Carlton the Doorman