Quinn Mallory

Jerry O'Connell

Guest Star

Gerry Narin

Rembrandt `Crying Man' Brown

Cleavant Derricks

Conrad Bennish Jr.

Jason Gaffney

Prof. Maximillian Arturo

John Rhys-Davies

Guest Star

George Touliatos

Wade Welles / Wade Welles (voice)

Sabrina Lloyd

Guest Star

Carlton Watson

Maggie Beckett

Kari Wührer

Mrs. Mallory

Linda Henning

Guest Star

Ben Bode

Guest Star

Joe Maffel

Rembrandt Brown / Rembrandt Brown #2 / Rembrandt

Clinton Derricks-Carroll

Guest Star

Wendy Van Riesen

Guest Star

William B. Davis

Guest Star

Nicholas Lea

Guest Star

Melanie Pearson

Guest Star

Jill Teed

Guest Star

Janice Kent

Guest Star

Alex Datcher

Guest Star

Karen Austin

Guest Star

Robyn Palmer

Guest Star

James Timmins

Michael Hurley

Gary Jones

Guest Star

Kevin Cooney

Colin Mallory / Kit Richards / Officer O'Hara

Charlie O'Connell

Guest Star

Roger Cross

Guest Star

Gabrielle Rose

Guest Star

Patrick Stevenson

Guest Star

Cathleen Duborg

Guest Star

Richard Ihara

Guest Star

Robert Lee

Guest Star

Sara Botsford

Guest Star

Dean Haglund

Guest Star

Sheelah Megill

Guest Star

Tim Henry

Guest Star

Liza Huget

Diana Davis

Tembi Locke

Guest Star

Jacqueline Dandenaeu

Guest Star

Michelle Goodger

Guest Star

David L Gordon

Guest Star

Nicholas Harrison

Guest Star

Liz Sheridan

Guest Star

Sara Walker

Guest Star

Robert Curtis-Brown

Guest Star

Peter Spellos

Guest Star

Barry Pepper

Guest Star

Norma Wick

Guest Star

Mike Kopea

Guest Star

Charlie McGlade

Guest Star

Tracey Olson

Quinn Mallory

Robert Floyd

Guest Star

William Sasso

Guest Star

Gabrielle Miller

Guest Star

Alf Humphreys

Guest Star

Charles Cyphers

Guest Star

Jennifer Hetrick

Guest Star

Mike Levey

Guest Star

Chick McCann

Guest Star

Sherman Howard

Guest Star

Andrew Wheeler

Guest Star

Malcolm Stewart

Elston Diggs

Lester Barrie

Guest Star

Michelle T. Carter

Guest Star

Andrew Guy

Guest Star

Ajay Karah

Guest Star

Bernie Coulsen

Guest Star

Allison Hossack

Guest Star

Larry Musser

Guest Star

Richard Leacock

Guest Star

Johnny Mah

Guest Star

Elena Del Rubio

Guest Star

David Kaye

Guest Star

Ken Pogue

Guest Star

Jim Byrnes

Guest Star

Deborah Lacey

Pavel Kurlienko

Alex Bruhanski

Michael Mallory

John Walcutt

Guest Star

Roman Danyio

Guest Star

Eadie Del Rubio

Guest Star

Jay Brazeau

Guest Star

Gerard Plunkett

Guest Star

Yee Jee Tso

Guest Star

Rachel Hayward

Guest Star

Judith Maxie

Guest Star

Milly Del Rubio

Guest Star

Jaylene Hamilton

Dr. Oberon Geiger

Peter Jurasik

Guest Star

Obba Babatunde

Guest Star

Lillian Carlson

Guest Star

Ron Pitts

Guest Star

Arthur Reggie III

Guest Star

James Bell

Guest Star

Andrew Kavadas

Guest Star

Marie Stillin

Guest Star

Tom Jackson

Guest Star

William MacDonald

Guest Star

Rick Garcia

Guest Star

Sook-Yin Lee

Guest Star

Garvin Cross