3rd Rock from the Sun (TV) Cast
The cast of 3rd Rock from the Sun. Updated on August 23, 2025.
586 actors
John Lithgow
as Dick Solomon (139 episodes)

John Lithgow portrays the character of Dick Solomon, the high commander of the alien expedition. Dick assumes the identity of a college professor and becomes fascinated with Earth and its inhabitants.

Kristen Johnston
as Sally Solomon (139 episodes)

Kristen Johnston plays the role of Sally Solomon, one of the extraterrestrial crew members. Sally takes on the appearance of a tall, attractive woman and struggles to adapt to human life, often grappling with her own desires and emotions.

Jane Curtin
as Mary Albright (139 episodes)

Jane Curtin portrays the character of Mary Albright, a professor of anthropology who becomes suspicious of the strange behavior exhibited by the Solomon family. She eventually discovers their true identities and becomes involved in their adventures.

Joseph Gordon-Levitt
as Tommy Solomon (139 episodes)

Joseph Gordon-Levitt plays the role of Tommy Solomon, the youngest member of the Solomon family. Tommy assumes the form of a teenager and experiences the typical joys and challenges of adolescence while also trying to keep the family's true nature a secret.

French Stewart
as Harry Solomon (139 episodes)

French Stewart portrays the character of Harry Solomon, another extraterrestrial crew member. Harry takes on the appearance of a dim-witted and eccentric individual, often comic relief on the show due to his quirky behavior.

Simbi Khali
as Nina Campbell (93 episodes)

Simbi Khali plays the role of Nina Campbell, Mary Albright's best friend and coworker. Nina is a kind-hearted and supportive character who becomes aware of the Solomon family's secret and becomes more deeply involved in their intergalactic mission.

Wayne Knight
as Don Orville (101 episodes)

Wayne Knight portrays the character of Don Orville, the bumbling and somewhat oblivious police officer who frequently interacts with the Solomon family. Don provides comic relief through his constant attempts to understand the strange occurrences happening around him.

Elmarie Wendel
as Mamie Dubcek (93 episodes)
John Mahoney
as Dr. Leonard Hamlin (1 episode)
Ian Lithgow
as Leon (48 episodes)
Marnette Patterson
as Volleyball Girl (1 episode)
Susan Leslie
as Kissing Woman (1 episode)
Marla Sokoloff
as Dina (1 episode)
Rachel Davies
as Flora (1 episode)
Pat Lach
as Mother (1 episode)
Lauren Graham
as Laurie Harris (1 episode)
Danielle Nicolet
as Caryn (42 episodes)
Chris Hogan
as Aubrey Pitman (41 episodes)
Benjamin King
as Man In Bar (1 episode)
Robert Lynch
as Doug (1 episode)
Whitney Rydbeck
as Mr. Kersey (1 episode)
Elayn J. Taylor
as Teacher #1 (1 episode)
Artie Anderson
as Brad (1 episode)
Merrick Deamon
as Guy (1 episode)
Linda Cardellini
as Lorna (1 episode)
Martha Stewart
as Herself (1 episode)
Jane Lynch
as Ms. Koppel (1 episode)
David Dunard
as Mechanic (1 episode)
Eddie Allen
as Dr. Bankson (2 episodes)
Laurel Green
as Moviegoer (1 episode)
Jonathan Everett Lewis
as Jack (1 episode)
Kathryn Joosten
as Cafeteria Lady (1 episode)
Shay Astar
as August (26 episodes)
Jake Thomas
as Kid (1 episode)
David DeLuise
as Bug Pollone (46 episodes)
Larisa Oleynik
as Alissa Strudwick (21 episodes)
Christine Baranski
as Sonja Umdahl (1 episode)
Rochelle Robinson
as Waitress (1 episode)
Roseanne Barr
as Janet (as Roseanne) (2 episodes)
Lindsey Haun
as Lisa (1 episode)
Brynn Hartman
as Venusian #1 (2 episodes)
Cindy Crawford
as Mascha (2 episodes)
Dennis Rodman
as Himself (2 episodes)
Bryan Cranston
as Neil Diamond impersonator (1 episode)
William Shatner
as Big Giant Head (5 episodes)
Bob Odenkirk
as Gary (1 episode)
David Hasselhoff
as Doctor Lasker (1 episode)
Miguel Ferrer
as Jack McManus (1 episode)
Dee Freeman
as Waitress (2 episodes)
Enrico Colantoni
as Frankie (1 episode)
Megan Mullally
as Renata Albright (1 episode)
Richard Belzer
as Richard Belzer (1 episode)
Tracy Morgan
as Tracy Morgan (1 episode)
Bob Clendenin
as Man #1 (1 episode)
John Cleese
as Dr. Liam Neesam (4 episodes)
Elvis Costello
as Elvis Costello (1 episode)
Laurie Metcalf
as Jennifer Ravelli (3 episodes)
Ed Begley Jr.
as Jeff (1 episode)
Katherine LaNasa
as Kate (1 episode)
Richard Gilbert-Hill
as Jeff's Brother (1 episode)
Katie Layman
as Muriel (1 episode)
Nancy Armstrong
as Female Necker (1 episode)
Darlene Kardon
as Old Woman (1 episode)
Mark Bedard
as Naked Guy (1 episode)
Eric Saiet
as Pleasant Man (1 episode)
Steve Viall
as Male Necker (1 episode)
Coleman McClary
as Bookish Patron (uncredited) (1 episode)
Carole Davis
as Aviana (1 episode)
Maria Cina
as Onya (1 episode)
Karen Constantine
as Woman (1 episode)
William Bogert
as Dean Sumner (1 episode)
Jennifer Rhodes
as Mrs. Sumner (4 episodes)
Anna Slotky
as Cheryl (2 episodes)
Bruce Ed Morrow
as Father Rice (4 episodes)
Harry S. Murphy
as Professor (1 episode)
Steven R. Barnett
as Cable Man (1 episode)
Elizabeth Carder
as Homeless Women (uncredited) (1 episode)
Bronson Pinchot
as Roy Albright (1 episode)
Michael Milhoan
as Coach Strickland (4 episodes)
Richard Roat
as Dr. Byron (1 episode)
Andrew Hill Newman
as DMV Agent (1 episode)
Mailon Rivera
as Campus Cop (1 episode)
Kristin Morley
as Waitress (1 episode)
Charlotte Booker
as Grace (1 episode)
Kimberly Scott
as Emily (1 episode)
Lorna Scott
as Mrs. Walters (1 episode)
Peggy Billo
as Mrs. Hartzinger (1 episode)
Heather McPhaul
as Mrs. Duvall (1 episode)
Jane Gordon
as Jane Gordon (1 episode)
Robert Knott
as Ellis (1 episode)
Patrick Thomas
as Customer #1 (1 episode)
Carolyn Pemberton Hoover
as Customer #2 (1 episode)
Skye McKenzie
as Last Customer (1 episode)
Tami Tappan Damiano
as Barbara (1 episode)
Gigi Bermingham
as Singing Trucker (1 episode)
Martin Hilton
as Singing Trucker (1 episode)
Karl Hamann
as Singing Trucker (1 episode)
Teresa Tudury
as Woman #2 (1 episode)
Linda Dangcil
as Singing Trucker (1 episode)
John Raitt
as Trucker Gil (1 episode)
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