Cast and credits of Brian Wallows and Peter's Swallows (2002)

Seth MacFarlane
Peter Griffin / Brian Griffin / Stewie Griffin / Glenn Quagmire / Dr. Elmer Hartman / Announcer / Ben (voice)

Alex Borstein
Lois Griffin / Pearl Burton / Miracle Worker Mother (voice)

Seth Green
Chris Griffin (voice)

Mila Kunis
Meg Griffin (voice)

Lori Alan
Diane Simmons (voice)

Mike Barker
Ben Franklin Bear (voice)

A.J. Benza
A.J. Benza (voice)

Gary Cole
James 'Grizzly' Adams (voice)

Melora Hardin
Young Pearl Burton (voice)

Butch Hartman
(voice)

Mike Henry
Cleveland Brown (voice)

Phil LaMarr
Judge (voice)

Jane Lynch
Patsy Ramsey (voice)

Nicole Sullivan
Tina (voice)

Patrick Warburton
Joe Swanson (voice)

Adam West
Mayor Adam West (voice)

Wally Wingert
Ornithologist (voice)