Robin Williams
Mork (95 eps)
Pam Dawber
Mindy McConnell (95 eps)
Ralph James
Orson (Voice) (95 eps)
Conrad Janis
Fred McConnell (71 eps)
Tom Poston
Franklin Delano Bickley (53 eps)
Jay Thomas
Remo DaVinci (48 eps)
Gina Hecht
Jean DaVinci (48 eps)
Jim Staahl
Nelson Flavor (48 eps)
Elizabeth Kerr
Cora Hudson (33 eps)
Robert Donner
Exidor (24 eps)
Jonathan Winters
Mearth (19 eps)
Jeffrey Jacquet
Eugene (9 eps)
Patrick Cranshaw
Jake Loomis (4 eps)
Foster Brooks
Miles Sternhagen (3 eps)
Shelley Fabares
Cathy McConnell (3 eps)
Raquel Welch
Captain Nirvana (2 eps)
Vicki Frederick
Sutra (2 eps)
Debra Jo Fondren
Kama (2 eps)
Richard Moll
Baba Gentle (1 eps)
Barry Van Dyke
Dan Phillips (1 eps)
Paul Reubens
Dickie Nimitz (1 eps)
Marilyn Kagan
Althea (1 eps)
Dana Hill
Girl Scout (1 eps)
Jillian Kesner
Judi Marino (1 eps)
John Larroquette
Baba Hope (1 eps)
Pamela Sye
Pamela (1 eps)
Susan Lawrence
Sally (1 eps)
Ed Bernard
Officer Boyd (1 eps)
Brion James
George (1 eps)
Kit McDonough
Marcia (1 eps)
Tom Kindle
Rick (1 eps)
Michael W. Schwartz
Deli Customer (uncredited) (1 eps)
Henry Winkler
Fonzie (1 eps)
Penny Marshall
Laverne Defazio (1 eps)
Geoffrey Lewis
Deputy Tilwick (1 eps)
Bruce M. Fischer
The Big Man (1 eps)
Lori Randolph
Blonde Little Girl Mindy Jeep (uncredited) (1 eps)
Henry Polic II
Dr. Benton Phillips (1 eps)
Hugh Gillin
Dave (1 eps)
Stanley Kamel
Charlie (1 eps)
Lee Weaver
Gus (1 eps)
Charles Bloom
Daniel Pierson (1 eps)
Randy Brooks
Stan Jackson (1 eps)
Cary Zateslo
Tommy Nesbitt (1 eps)
Stephanie Kayano
Stephanie (1 eps)
Amy Tenowich
Lola (1 eps)
Rance Howard
Guard (1 eps)
Hillary Horan
Young Girl (1 eps)
Johnnie Decker
Man (1 eps)