On screen
Cast
258 credited performers
Henry Winkler
Arthur Fonzarelli
Tom Bosley
Howard Cunningham
Marion Ross
Marion Cunningham
Anson Williams
Potsie Weber
Erin Moran
Joanie Cunningham
Ron Howard
Richie Cunningham
Don Most
Character not listed
Al Molinaro
Al Delvecchio
Scott Baio
Chachi Arcola
Lynda Goodfriend
Lori Beth Allen
Cathy Silvers
Jenny Piccalo
Ted McGinley
Roger Phillips
Scott Mitchell Bernstein
Melvin Belvin
Hillary Horan
Girl Playing Drums (uncredited)
Linda Purl
Gloria
Pat Morita
Arnold
Crystal Bernard
K.C. Cunningham
David Ketchum
Character not listed
Kevin Rodney Sullivan
Tommy
Billy Warlock
Flip Phillips
Heather O'Rourke
Heather Pfister
Ed Peck
Character not listed
Gavan O'Herlihy
Chuck Cunningham
Suzi Quatro
Character not listed
Ellen Travolta
Louisa Arcola
Penny Marshall
Laverne DeFazio
Cindy Williams
Shirley Feeney
Warren Berlinger
DJ Charlie The Prince
Teddi Siddall
Character not listed
Scott Marshall
Character not listed
Kathleen Marshall
Character not listed
Cynthia Windham
Teen Student
Heidi Bohay
Character not listed
Jason Evers
Character not listed
Dick Van Patten
Character not listed
Arthur Batanides
Character not listed
Frances Bay
Grandma Nussbaum
James Daughton
Character not listed
Rance Howard
Mr. Burkhart
Roz Kelly
Character not listed
Talia Balsam
Character not listed
Tita Bell
Trudy
Alice Nunn
Character not listed
Michael Pataki
Character not listed
Jack Dodson
Character not listed
Misty Rowe
Wendy
Richard Moll
Eugene
Robin Williams
Mork
Rita Wilson
Character not listed
Lyle Waggoner
Frederick Hamilton
Marla Pennington
Character not listed
Ronnie Schell
Character not listed
Marc McClure
Character not listed
Ralph Wilcox
Character not listed
Ray Girardin
Character not listed
Eddie Mekka
Character not listed
Marcia Lewis
Character not listed
Michael Dudikoff
Character not listed
Peter Hobbs
Character not listed
Jack Baker
Character not listed
Pamela Dunlap
Character not listed
Martin Ferrero
Character not listed
Clint Howard
Character not listed
Raymond Guth
Character not listed
Pat O'Brien
Character not listed
Randolph Roberts
Chuck Cunningham
Gino Conforti
Sticky
Joe Mays
Character not listed
Cliff Emmich
Character not listed
Paul Linke
Character not listed
Lew Horn
Character not listed
Marjorie Bennett
Lady
Robert Casper
Customer
Meridith Baer
Judy
Jillian Kesner
Lorraine
Robert DoQui
Character not listed
Marla Adams
Character not listed
Buffalo Bob Smith
Character not listed
Didi Conn
Joyce
Ed Begley Jr.
Character not listed
Leon Askin
Character not listed
Sue Ane Langdon
Character not listed
Nellie Bellflower
Character not listed
Christopher Knight
Character not listed
Leslie Browne
Character not listed
Helen Page Camp
Miss Wheaton
Jeff Conaway
Character not listed
Herb Edelman
Character not listed
Ivor Francis
Character not listed
Herbie Faye
Character not listed
David Keith
Character not listed
Harriet Nelson
Character not listed
Barbara Rhoades
Character not listed
Phillip Pine
Character not listed
Wendy Schaal
Character not listed
Michael Lembeck
Character not listed
Stuart Nisbet
Character not listed
Valerie Curtin
Character not listed
Lennie Weinrib
Character not listed
Joyce Brothers
Character not listed
Karen Austin
Character not listed
Shawn Weatherly
Character not listed
Leslie Charleson
Character not listed
Peter Brocco
Mr. Egan
Judy Landers
Character not listed
Diana Hyland
Character not listed
Virginia Gregg
Mrs. Nestrock
Dean Devlin
Character not listed
John Hart
Character not listed
Ben Davidson
Character not listed
Lou Wagner
Character not listed
Colleen Camp
Character not listed
Jenny Sullivan
Character not listed
H.B. Haggerty
Character not listed
Rick Hurst
Character not listed
Dana Kimmell
Character not listed
Meeno Peluce
Character not listed
Sherry Hursey
Character not listed
Danny Thomas
Character not listed
Sarah Rush
Character not listed
Rhonda Shear
Character not listed
Ray Goulding
Bernie Cross
Elinor Donahue
Character not listed
Frank Ashmore
Johnny
Lisa Pelikan
Character not listed
Katherine Kelly Lang
Kim
Gary Grubbs
Character not listed
Ralph Steadman
Character not listed
Julie Brown
Character not listed
Phil Silvers
Character not listed
Vito Scotti
Otto
Kristoff St. John
Character not listed
Vicki Frederick
Character not listed
Linda Bove
Character not listed
Laurence Lau
Character not listed
Sam Edwards
Dr. Abner
Lillian Bronson
Character not listed
Kim Lankford
Character not listed
Joshua Shelley
Character not listed
James Randi
Character not listed
Joseph Bova
Character not listed
Jeffrey Kramer
Character not listed
Rebecca Holden
Character not listed
Elizabeth Keifer
Character not listed
Billie Bird
Character not listed
Sparky Marcus
Character not listed
Happy Hairston
Character not listed
Adam Arkin
Character not listed
Amy Irving
Character not listed
Ken Osmond
Character not listed
Anne Lockhart
Character not listed
Bill Idelson
Character not listed
Pat Crowley
Character not listed
Maggie Roswell
Character not listed
Amzie Strickland
Character not listed
Ian Abercrombie
Character not listed
Audrey Landers
Character not listed
Dave Madden
Jack Whippett
Britt Leach
Character not listed
Maureen McCormick
Character not listed
M.C. Gainey
Character not listed
Richard Paul
Character not listed
Robert Pierce
Character not listed
Jack Riley
Officer O'Reilly
Bruce Weitz
Character not listed
Bruce Kimmel
Character not listed
Christopher Norris
Character not listed
George Furth
Mr. Pinney
Tony Longo
Character not listed
Charles Hallahan
Character not listed
Barney Martin
Character not listed
Larry Poindexter
Character not listed
Cheryl Ladd
Cindy Shea
Danny Wells
Character not listed
Michael McKean
Character not listed
June Lockhart
Character not listed
G.W. Bailey
Character not listed
Conrad Janis
Mr. Kendall
Hank Aaron
Character not listed
Richard Stahl
Character not listed
Bob Elliott
Gil Crawford
Janis Paige
Angela
Richard Masur
Character not listed
Al Fann
Character not listed
Jason Wingreen
Character not listed
Tracie Savage
Marilyn
Eddie Fontaine
Character not listed
Gary Morgan
Character not listed
Crispin Glover
Character not listed
Stanley Brock
Character not listed
Karl Swenson
Character not listed
Henry Beckman
Character not listed
Georganne LaPiere
Character not listed
Sandy Kenyon
Character not listed
Eileen Dietz
Character not listed
Grant Heslov
Character not listed
Le Tari
Character not listed
Larry Anderson
Character not listed
Alberto Isaac
Character not listed
Janine Turner
Character not listed
Pamela Myers
Mitzi
Bill Henderson
Mr. Davis
Lloyd Kino
Character not listed
Tom Hanks
Character not listed
Peter Scolari
Character not listed
Kathy Hilton
Character not listed
Morgan Fairchild
Cynthia
Charlene Tilton
Jill Higgins
David Paymer
Character not listed
Karen Arthur
Character not listed
Robin Mattson
Character not listed
Alan Oppenheimer
Character not listed
Gary Springer
Character not listed
Bruce Gray
Mr. Hillary
Patti Cohenour
Character not listed
Cindy Eilbacher
Character not listed
Bryan O'Byrne
Mr. Carlyle
Phil Leeds
J. Jackie Silver
Dick Yarmy
Character not listed
Sam Freed
Millard
Ted Gehring
Character not listed
Hank Stohl
Announcer
Peggy Doyle
Nun
Michael Byers
Walter Melman
Tammy O'Rourke
Tammy
Michael Morgan
Don Mitchell
Carol Williams
Meralee
Kathy O'Dare
Lois
Brian Byers
Biff
Robert Karvelas
Man
Betty Kean
Millie
Lynn Hallowell
Patti Downes
Tony Brafa
Uncle Bobo
David L. Lander
Andrew 'Squiggy' Squiggmann
Mary Treen
Miss Prism
Ellen Gerken
Monique
Michael Leon
Character not listed
Jesse White
Bander
Linda Henning
Army Lt. Quinlan
Martha Smith
Kathy - Dental Assistant
Jerii Woods
Kathleen
Marta Kober
Jesse Broderick
Amy Gibson
Alice
Allan Rich
Professor Thomas
Dick Balduzzi
Joe
Crane Jackson
Hank
Joy McConnochie
Martha
Michael McManus
Sheriff
Michele Tobin
Allison
Patricia Carr
Fern Flagg
Patricia Lentz
Doctor's Receptionist
Laurette Spang
Denise
Richard Kuller
Kid
Ruth Cox
Thunder McCoy
Randy Stumpf
Spider
Gloria Hayes
Juanita
Henry Charles
Maitre D'
Richard Levin
Melvin Scratch