Plot: Homer is stunned by his feelings of rage and resentment when Grampa becomes a doting stepfather to his girlfriend's quirky young son. Lisa and Bart throw the ultimate slumber party
Cast
Dan CastellanetaHomer Simpson / Abe Simpson / Barney Gumble / Krusty (voice)Dan Castellaneta was 65 in The Simpsons - Season 34 - Step Brother from the Same Planet (Episode 8).
Birthday: Tue, Oct 29 1957
Julie KavnerMarge Simpson / Patty Bouvier / Selma Bouvier (voice)Julie Kavner was 72 in The Simpsons - Season 34 - Step Brother from the Same Planet (Episode 8).
Birthday: Thu, Sep 07 1950
Nancy CartwrightBart Simpson / Nelson Muntz / Ralph Wiggum (voice)Nancy Cartwright was 65 in The Simpsons - Season 34 - Step Brother from the Same Planet (Episode 8).
Birthday: Fri, Oct 25 1957
Yeardley SmithLisa Simpson (voice)Yeardley Smith was 58 in The Simpsons - Season 34 - Step Brother from the Same Planet (Episode 8).
Birthday: Fri, Jul 03 1964
Hank AzariaMoe Szyslak / Chief Wiggum / Apu / Comic Book Guy / Carl (voice)Hank Azaria was 58 in The Simpsons - Season 34 - Step Brother from the Same Planet (Episode 8).
Birthday: Sat, Apr 25 1964
Harry ShearerNed Flanders / Mr. Burns / Smithers / Skinner / Lenny (voice)Harry Shearer was 78 in The Simpsons - Season 34 - Step Brother from the Same Planet (Episode 8).
Birthday: Thu, Dec 23 1943
Melissa McCarthyCalvin (voice)Melissa McCarthy was 52 in The Simpsons - Season 34 - Step Brother from the Same Planet (Episode 8).
Birthday: Wed, Aug 26 1970
Carol KaneBlythe (voice)Carol Kane was 70 in The Simpsons - Season 34 - Step Brother from the Same Planet (Episode 8).
Birthday: Wed, Jun 18 1952
Pamela HaydenMilhouse (voice)Pamela Hayden was 68 in The Simpsons - Season 34 - Step Brother from the Same Planet (Episode 8).
Birthday: Sat, Nov 28 1953
Grey DeLisleSherri / Terri / Martin Prince (voice)Grey DeLisle was 49 in The Simpsons - Season 34 - Step Brother from the Same Planet (Episode 8).
Birthday: Fri, Aug 24 1973
Chris EdgerlySpringfield Retirement Home Receptionist (voice)Chris Edgerly was 53 in The Simpsons - Season 34 - Step Brother from the Same Planet (Episode 8).
Birthday: Wed, Aug 06 1969
Kimberly BrooksJanine Powell (voice)Kimberly Brooks was 54 in The Simpsons - Season 34 - Step Brother from the Same Planet (Episode 8).
Birthday: Thu, Aug 08 1968
Crew
Matthew FaughnanDirectorMatthew Faughnan was 47 in The Simpsons - Season 34 - Step Brother from the Same Planet (Episode 8).
Birthday: Wed, Feb 26 1975
Dan VebberWriterDan Vebber was 52 in The Simpsons - Season 34 - Step Brother from the Same Planet (Episode 8).
Birthday: Fri, Aug 07 1970