Clarissa Explains It All

Melissa Joan Hart

Clarissa Darling

Jason Zimbler

Ferguson Darling

Elizabeth Hess

Janet Darling

Joe O'Connor

Marshall Darling

Sean O'Neal

Sam Anders

David Eck

Clifford Spleenhurfer

Nicole Leach

Olivia DuPris

Heather MacRae

Mafalda

Shannon Woodward

Missy

David Singletary

Michael (uncredited)

Sara Burkhardt

Hillary

Susan Greenhill

Debbie

Larry Bucklan

Announcer / Stage Manager

Kristian Truelsen

Mr. Crepplehorn

Jonathan Mangum

Pizza Guy #1

James Van Der Beek

Paulie

JoAnna Garcia Swisher

Fiona

Patricia O'Connell

Kate Whitacre (uncredited)

Sheeri Rappaport

Piper Henderson

James Michael Detmar

Game Show Host

David Watts

Flip Fontana

Patricia Scanlon

Jill

Theresa Tiriro

Jody

Danny Gura

Robertson (uncredited)

Jeff Vangrov

Newt

Nancy Youngblut

Mrs. Cheesebrow

Cassidy Rae

Elise Quackenbush

Denise Lecce

Pillar Tweech

Jason A. Harger

J. Elliot Fundsworth III

Happy Cole

Ace Delivery Guy

Paul Kreppel

Joey Russo

Joel McCrary

Hot Dog Man

Guerin Bell

Lead Kid

Tracy Roberts

Mrs. Crepplehorn

James R. Greene

Coach Floyd

John W. Holloway

Quetin Darling

Martha Randall

Amelia Darling

Bob Noble

Dr. Festerspoon

Russell Koplin

Eve Biderberg

Doug Truelsen

Turner B. Gerhard