Bob Newhart
Dick Loudon (184 eps)
Mary Frann
Joanna Loudon (184 eps)
Tom Poston
George Utley (184 eps)
Julia Duffy
Stephanie Vanderkellen (163 eps)
Peter Scolari
Michael Harris (142 eps)
William Sanderson
Larry (119 eps)
Tony Papenfuss
Darryl (119 eps)
John Voldstad
Darryl (119 eps)
Steven Kampmann
Kirk Devane (44 eps)
William Lanteau
Chester Wanamaker (36 eps)
Thomas Hill
Jim Dixon (32 eps)
Jennifer Holmes
Leslie Vanderkellen (22 eps)
Todd Susman
Officer Shifflett (12 eps)
Kathy Kinney
Miss Goddard (9 eps)
Jeff Doucette
Harley Estin (8 eps)
Linda Carlson
Bev Dutton (8 eps)
Fred Applegate
J.J. Wall (7 eps)
David Pressman
Art Rusnak (7 eps)
Priscilla Morrill
Marian Vanderkellen (7 eps)
José Ferrer
Arthur Vanderkellen (6 eps)
Melanie Chartoff
Dr. Mary Kaiser (5 eps)
Ralph Manza
Bud (5 eps)
John Reilly
John Carson (2 eps)
Bill Quinn
Minister (2 eps)
Stella Stevens
Erica Chase (2 eps)
Ruth Gordon
Blanche Devane (2 eps)
Ed Morgan
Ed Whitley (2 eps)
Liz Sheridan
Mrs. Spencer (1 eps)
David Wayne
Mr. Pittman (1 eps)
Barbara Tarbuck
Ms. Fletcher (1 eps)
Dan Frischman
Mortician (1 eps)
James Staley
Patrick (1 eps)
Barry Dennen
Winston Bedell (1 eps)
Candace Hutson
Baby Stephanie (as Candy Hutson) (1 eps)
Tim Conway
Tim Conway (1 eps)
David Sage
President of a Country (1 eps)
Helen Page Camp
Alma Sproat (1 eps)
Lindsay Price
a Ranger Girl (1 eps)
Gerald Hiken
Dimitri Alexandroff (1 eps)
Lisa Kudrow
Sada (1 eps)
Lyle Talbot
Cousin Ned (1 eps)
Sab Shimono
Sunatra (1 eps)
Gedde Watanabe
Mr. Tagadachi (1 eps)
Suzanne Pleshette
Emily Hartley (1 eps)
Richard Roat
Arthur Vanderkellen (1 eps)
Edan Gross
Little Boy (1 eps)
Jan Cobler
Katherine Sutter (1 eps)
Casey Ellison
Jimmy McGuire (1 eps)
Estelle Getty
Elsa Carruthers (1 eps)
Frank Coppola
Maitre d' (1 eps)
Peter Nelson
Marshall Coleman (1 eps)
Ryan MacDonald
Mr. Kenwood (1 eps)
Macon McCalman
Paul Frazier (1 eps)
Anne Haney
Pearl Reskoff (1 eps)