Cast and credits of Mr. Griffin Goes to Washington

Peter Shin

Seth MacFarlane
Peter Griffin / Brian Griffin / Stewie Griffin / Hipster #2 / Mike Tyson / Kenneth / Co-Worker / Jerry / Student / Writer /

Alex Borstein
Lois Griffin / Aunt Bee (voice)

Seth Green
Chris Griffin / Hipster #1 / El Dorado Parking Employee / Blonde Guy (voice)

Mila Kunis
Meg Griffin (voice)

Carlos Alazraqui
Mr. Weed (voice)

Ricky Blitt
Milano's Lawyer

Gary Cole
Chairman (voice)

Olivia Hack
Jeremy's Mom / Baby Smokes-A-Lot Toy (voice)

Mike Henry
Bruce the Performance Artist (voice)

Meredith Scott Lynn
Oopie / Assigned Student (voice)

Alyssa Milano
Alyssa Milano

Brian Doyle-Murray
Brown Haired Student (voice) (as Brian Doyle Murray)

Jack Sheldon
The Bill (voice)

Danny Smith
Mr. Harrison / Mr. Harrison's Assistant (voice)

Wally Wingert
Willy / Quizmaster / Robot Keeper / The Senator (voice)

Lori Alan
Diane Simmons (voice) (uncredited)

Mike Barker
Dilbert / Writer #1 / Doctor / Jeremy (voice) (uncredited)