A list of actors and actresses who have appeared in Happy Days and its spinoffs.
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Television
"Love and the Happy Days"
Appeared in the Love, American Style segment “Love and the Television Set”, later retitled “Love and the Happy Days”, 1972:
- Jackie Coogan: Uncle Howard
- Harold Gould: Howard Cunningham
- Ron Howard: Richie Cunningham
- Marion Ross: Marion Cunningham
Happy Days
Appeared in Happy Days, 1974-1984:
- Diane Adair: Gloria McInerny
- Larry Anderson: Granville Clark
- Mario Hammond in Mork and Mindy
- Talia Balsam: Nancy Croft
- Arthur Batanides: Eddie/Referee/The Claw/Louie
- Frances Bay: Grandma Nussbaum
- Ed Begley Jr.: Hank
- Robert “Bobby” Feeney in Laverne & Shirley.
- Crystal Bernard: Mikki/K.C. Cunningham
- Tom Bosley: Howard Cunningham
- Stanley Brock: Maki Maki
- Julie Brown: Gloria
- Patti/Secretary in Laverne and Shirley
- Jeff Conaway: Rocky
- Gino Conforti: Sticky
- Pat Crowley: Susan Patterson
- Robert DoQui: Henry Washington
- Pamela Dunlap: Doris Charles
- Dick Gautier: Dr. Ludlow, Mad Scientist
- Bruce Gray: Mr. Hillary
- Gary Grubbs: Jack
- Clint Howard: Moose/Donald “Junior” Hedges Jr.
- Rance Howard: Announcer/Ben Wilson/Mr. Burkhart
- Christopher Knight: Binky Hodges
- Jeremy Lawrence: Dr. Crane
- Phil Leeds: J. Jackie Silver
- June Lockhart: Judge MacBride
- Kathleen Marshall: Kathi/Sally/Louise/Allison/Princess
- Penny Marshall: Laverne DeFazio
- Barney Martin: G.W. Burch
- Richard Masur: Doug
- Maureen McCormick: Hildie
- Ted McGinley: Roger Phillips
- Erin Moran: Joanie Cunningham
- Pat Morita: Matsumo “Arnold” Takahashi
- Jerry Paris: Professor/Doctor/Photographer/Heckler
- Richard Roat: Con Man
- Heather O'Rourke: Heather Pfister
- Janis Paige: Angela
- Michael Pataki: Myron 'Count' Malachi
- Mr. Dressner in Laverne & Shirley
- Larry Poindexter: Erik Sandler
- Suzi Quatro: Leather Tuscadero
- Allan Rich: Prof. Thomas
- Jack Riley: Officer O'Reilly
- Thomas Rosales Jr.: Teenage Boy at Arnold's
- Wendy Schaal: Lorraine
- Ronnie Schell: Monty Miller/Ernie
- Bob Faith in Mork & Mindy
- Peter Scolari: Jake
- Phil Silvers: Roscoe Piccalo
- Richard Stahl: Van Alden
- The Chaplain/Clerk/Mr. Marshall Stewart in Laverne & Shirley
- Danny Thomas: Sean Cunningham
- Janine Turner: Debbie
- Billy Warlock: Leopold 'Flip' Phillips
- Bruce Weitz: Robert Clark
- Cindy Williams: Shirley Feeney
- Robin Williams: Mork
- Rita Wilson: Roxanne/Barbara McManus
- Jason Wingreen: Mr. Haley
- Henry Winkler: Arthur "Fonzie"/"The Fonz" Fonzarelli
Laverne & Shirley
Appeared on Laverne & Shirley, 1976-1983:
- Robert Alda: Monroe Harrison
- Maureen Arthur: Veronica
- Zelka in Mork & Mindy
- Roger C. Carmel: The Waiter
- Keith Coogan: Bobby McKenzie
- Scotti in Mork & Mindy
- Carole Cook: Mrs. Harmon
- Scatman Crothers: Porter
- Rick Dano: Mailman/Policeman
- Felix in Happy Days
- Leslie Easterbrook: Rhonda Lee
- Charles Frank: Jerry Callihan
- Ilene Graff: Monique
- Tracy Andrews/Receptionist in Mork & Mindy
- Carrie Fisher: Cathy
- Gerrit Graham: Nathan
- Larry Hankin: Tall Dancer/Biff
- Anjelica Huston: Geraldine/Miss Paris
- David Lander: Andrew “Squiggy” Squiggman
- Louise Lasser: Sister Margaret
- Vicki Lawrence: Sgt. Alvinia T. Plout
- Jay Leno: Joey Mitchell/Bobby Bitts
- Geoffrey Lewis: Mr. Gunther
- Deputy Tilwick in Mork & Mindy
- Richard Libertini: Dr. Rex Romano
- Mr. Strand in Mork & Mindy.
- Tony Longo: Tank Malone.
- Michael McKean: Lenny Kosnowski
- Richard Moll: Biker/Louis Armstrong
- Baba Gentle in Mork & Mindy.
- Anne Ramsey: Lady/Killer
- Marcia Rodd: Hillary
- Fran Ryan: Mother Superior
- Paul Sand: David
- Connie Sawyer: Mother Pike
- Harry Shearer: Announcer/Public Address Announcer/Harold/Max Shotz/Interviewer/Tidmore
- Timothy Stack: Bank Teller
- Lynne Marie Stewart: Barbara Tedesco/Wrestling Coach/Muriel/Sister Sarah/Louisa Bomanetta
- Shirley Feeney in ABC's animated lineup.
- Tim Thomerson: Silky Mulcheck.
- Sergei Khruschev in Mork & Mindy.
- Robert Walden: Customer with Inflatable Turtle
- Lyman Ward: Tad Shotz
- Paul Willson: Warren “Eraserhead”/Kovich
- Suicidal Confessor/Neighbor Bob in Mork & Mindy.
Blansky’s Beauties
Appeared in Blansky’s Beauties, 1977:
- Scott Baio: Anthony DeLuca
- Charles "Chachi" Arcola in Happy Days and Joanie Loves Chachi.
- Conchata Ferrell: Nurse Gibbons
- David Huddleston: Pa Bates
- Ross Martin: Sheik Ben-Ali
- Godfrey in Mork & Mindy.
- Howard Morris: Cactus Phil
Mork & Mindy
Appeared in Mork & Mindy, 1978-82:
- Virginia Capers: Nurse Tula
- Patrick Cranshaw: The Man in the Store/The Old Man/Jake Loomis
- Pam Dawber: Mindy McConnell/Mandy
- Robert Donner: Exidor/Xidon
- Georgia Engel: Ambrosia Malspar
- Morgan Fairchild: Susan Taylor
- Martin Ferrero: The Salesman
- Mr. Bresner in Joanie Loves Chachi
- Omar in Happy Days
- Jeff Harlan: Customer/Bill
- Gina Hecht: Jean DaVinci
- Robert Hogan: Captain Chapman
- Gregory Itzin: Man #2
- Milton James: The Waiter
- Charles Lane (1905): Judge Baker
- David Letterman: Ellsworth
- Dinah Manoff: Kathy Cumberland
- Roddy McDowall: Chuck the Robot
- Henry Polic II: Dr. Benton Phillips
- Count Wolfgang von Wolfenstein/Various in The Fonz and the Happy Days Gang
- Peggy Pope: Mrs. Thompson
- Tom Poston: Mr. Bickley
- Joe Regalbuto: Kalnik
- William Shatner: Self
- David Spielberg: Peter Pan
- Jay Thomas: Remo DaVinci
- Lee Weaver: Gus
- Jonathan Winters: Dave McConnell/Mearth
Out of the Blue
Appeared in Out of the Blue, 1979:
- Dixie Carter: Marion Richards
- Mary Jo Catlett: Nurse
- Basil Hoffman: Herman Donaldson
The Fonz and the Happy Days Gang
Appeared in The Fonz and the Happy Days Gang (1980-1981):
- Dena Dietrich: Umbra
- June Foray: Queen
- Jackie Joseph: Pauline
- Frank Welker: Mr. Cool/Food Servant/Mongo
- Paul Winchell: Smuggler
Joanie Loves Chachi
Appeared in Joanie Loves Chachi (1982-1983):
- Ralph Manza: Uncle Guido
- Jessica Walter: Vanessa
Foreign Dubs
European French
Happy Days:
- Vincent Ropion: Flip Phillips.
- Vincent Violette: Roger Phillips.
- Mork (second voice).
