List of ALF characters
A listing of the characters from the ALF television series that ran between 1986 and 1990.
ALF
Main characters
- William Francis "Willie" Tanner is the father figure, and a social worker by trade.
- Katherine Daphne "Kate" Halligan Tanner is the mother figure and has at least one sister.
- Lynn "Lynnie" Tanner is the eldest child of the Tanner family and their only daughter.
- Brian "Bri" Tanner is the elder son and middle child of the Tanner family.
Recurring characters
The Tanner family
- Neal Tanner is Willie's younger brother and the uncle of Brian, Lynn, and Eric.
- Eric William Tanner is the younger son of the Tanner family. He debuted in the episode "Having My Baby" from season 3.
- Lucky is the Tanner family's cat. He died in the fourth season, replaced by a kitten adopted by ALF himself.
- Lucky II is the Tanner family's new cat. ALF adopted Lucky II after Lucky died in Season 4.
The Ochmonek family
- Trevor Ochmonek He is a Master of Arts graduate, who played football for 7 years through high school and he is a veteran of the Korean War, where he served as a pilot.
- Raquel Ochmonek She is very nosy, often spying on the neighbors with a looking glass and spreading rumors.
- Jason "Jake" Ochmonek is the nephew of Trevor and Raquel who was sent to live with Raquel and Trevor after his father was in jail.
The Deaver family
- Dorothy Halligan Deaver is the widowed mother of Kate, the mother-in-law of Willie, and the grandmother of Lynn, Brian, and Eric.
- "Whizzer" Deaver is Dorothy's second husband, Kate's stepfather, Willie's stepfather-in-law, and Lynn, Brian, and Eric's step-grandfather.
Other recurring characters
- Jody is a blind woman who ALF befriends in the first season of the series.
- Lawrence "Larry" Dykstra is a shrink who appears in several episodes when ALF and Willie Tanner have problems.
Melmac characters
The Shumway family
- Bob Shumway - Gordon's father
- Flo Shumway - Gordon's mother
- Curtis Shumway - Gordon's little brother
- Augie Shumway - Gordon's little sister
- Harry - The Shumway family's pet bird.
- Neep - The Shumway family's pet vespa
Other characters
- Rhonda - Gordon's girlfriend
- Skipper "Skip" III - One of Gordon's friends
- Rick Fusterman - One of Gordon's friends
- Stella - A coffee shop waitress on Melmac
- Larson Petty - The primary villain of the animated series
Minor characters
Humans
- Luis - A Mexican boy who was taken in for one night by Willie
- Fredo - The father of Luis Mancia
- Tiffany - A terminally ill child named Tiffany that ALF met
- Uncle Albert - Willie's uncle
- Angel Bob - ALF's guardian angel
- Eddie - a graduate student in architecture
- Robert Sherwood - A street performer at the beach
- Randy - A high school football team student
- Cathy Berry - One of Lynn's friends
- Brenda - The secretary of Wayne Schlegel
- Jim "Jimbo" Hutchinson - A co-worker of Willie's at the Social Services Department of Los Angeles County
- Nick "The Fish" Mints - A bookie with which Dorothy places bets on The Gambler
- Garland - The man at Whizzer's wedding to Dorothy
- Andrea One of the guests that attended Kate's surprise baby shower
- Elliot - The name of Andrea's baby that she brings to the baby shower which ALF was allergic to
- Maura Norris, Betty, and Sylvia are one of Kate's college roommates
- Laverne Litwhack - A lady that lives in the Tanner's neighborhood
- Laura - Jake's girlfriend
- Nick Susla - He is not enthusiastic and would like to enjoy a quiet retirement
- Betty Susla - A woman in Barstow was featured in an article in The National Inquisitor
- Mrs. Lyman - The principal of the Franklin Elementary School
- Kelly - An orderly or nurse at the hospital
- Mr. Foley - The name of a man that allowed Willie's family to stay at his cabin
- Gravel Gus - A hobo on the train
- Hannah a little girl who is the owner of the lost dog Brian found
- Felicia Burke - The wife of Walter Burke
- Walter Burke - Willie's boss at the Social Services Department of Los Angeles County
- Myrna Byrd - A widow that lives in the Tanner's neighborhood
- Steve Michaels - An administrator for Sendrax
- Bernice - The name of a woman that attended the Tanner Halloween party dressed as a cowgirl
- Bert - The tow truck driver who tows the Tanners ' car home when it breaks down
- Carl Buck - A set decorator for the movie Jupiter Guys
- Scott Maynard, Lizard, and Danny Duckworth are one of Lynn's boyfriends
- Consumer Ed - A TV reporter that ALF calls in to investigate the warranty on the Tanner's TV
- Aaron King - A reclusive neighbor and truck driver from Tupelo, Mississippi, who ALF is convinced is Elvis Presley in hiding in the Season 3 episode "Suspicious Minds"
- Howie Anderson A comedian who highlights his own obesity in his stand up routine
- Marilyn - A journalist for The National Inquisitor
- Mr. Polniakoff - The owner of a club in Catskills
- Julius - A mortician with a morbid sense of humor
- Brandon Tartikoff - A head of programming at NBC
- Elaine Ochmonek Jake's mother and Trevor's sister-in-law
- Denise - A pregnant woman who gets stuck in an elevator when going into labor, with only ALF there to help
- Richard - Denise's husband
- Rex - A caterer hired by the Tanners to plan their luau
- Spencer - A boy in Brian's class at school
- Bill Lowman - A sales manager at Rancho Estates
- Jack, Bernie, Rebecca, and Louise Beaumont are one of the four senior citizens
- Mr. Fusco - One of the suspects
- Old Cat Lady at 165 - An old lady at 165
- The Brothers of the Peaceful Dominion - They are silent monastic order that ALF joins when he discovers that he was born in wedlock
''Gilligan's Island''
- Gilligan - He is a crewman of the S. S. Minnow who worked for the Skipper
- The Skipper - He is the captain of the S. S. Minnow
- Mary Ann Summers A farm girl from Winfield, Kansas
- Professor He was a high school teacher before being stranded on the island
''The Tonight Show''
- Ed McMahon - An American comedian, actor, singer, game show host and announcer
- Tommy Newsom - A saxophone player
- Joan Embery - An animal and environmental advocate
- Joyce Brothers - An American psychologist, television personality and columnist
- Pope John Paul II - He appeared as a guest
- Matinee Lady - The lady who gives the testemonail for Pecs 'R Us gym during the Tea Time Movie segment
- Frederick De Cordova - He appeared on the show and sternly warns ALF
Villains
- Alien Task Force - Various actors appeared in the ALF TV series as the Alien Task Force in many episodes, such as the ALF pilot, and the Thanksgiving special
- Andrew Seminick - When Raquel comes over to sit for Brian, he breaks into the house through Kate and Willie's room where ALF is hiding
- Keith - An animal shelter worker that captured ALF
- Rodney - A Melmacian Cockroach that escaped to planet Earth in ALF's spaceship
- Lenny Scott - The host of a local television talk show
- Mr. Cuckoo - Lenny Scott's sidekick on his television show
- Ethel Buttonwood - An old lady that claims the dog Alfina under false pretenses
- Vince - Ethel Buttonwood's extremely jealous and violent ex-boyfriend
- Mr. Duncan - A surly man of short stature and he is a scrap metal dealer
- Paul - The name that ALF gives to his ventriloquist dummy
- Pete "Flaky" Finnegan - A hobo who hung around the Tanner house and spotted ALF during Thanksgiving
Melmacians
- Blinky - One of ALF's cousins