Michael Knight

David Hasselhoff

Devon Miles

Edward Mulhare

Rebecca Holden

William Holden

K.I.T.T. (voice)

William Daniels

Stephanie 'Stevie' March

Catherine Hickland

Cameron Zachary

John Vernon

Julie Robinson

Elyssa Davalos

Bonnie Barstow

Patricia McPherson

Tino

Paul La Greca

Cara Caulfield

Laura Bruneau

Guest Star

Daphne Lee Ashbrook

Guest Star

Wendy Kilbourne

Kelly Travis

John Macchia

Guest Star

Gerald Gordon

Layla Charon Callan

Leslie Wing

Guest Star

Geena Davis

Guest Star

Mary Beth Evans

Adrianne St. Clair / Adrianne Margeaux / Bianca Morgan

Ann Turkel

Frank Sanderson

Stuart Whitman

Guest Star

Suzanne Barnes

Elizabeth Knight

Barbara Rush

Dr. Klaus Bergstrom / Kleist

Peter Mark Richman

Joanna St. John

Joanna Pettet

Carrie Haver

Denise Miller

Strock

Dana Elcar

Laura Phillips

Lynne Marta

Jennifer Shell / Sherry Benson

Anne Lockhart

Guest Star

Catherine Mary Stewart

Guest Star

Jo Ann Pflug

Marta

Janet DeMay

Guest Star

Art Lund

Gina Adams

Alexa Hamilton

David Dalton

L. Charles Taylor

Lucy Sanderson

Patch Mackenzie

Suzanne Weston

Melinda O. Fee

Riggins / Zachary Sloate

Guy Stockwell

Frank Poole

Mike Genovese

Jack Kragen

Joe LaDue

Sabrina Travis

Lydia Cornell

Ric

Scott Getlin

Christopher Callan

Robert Reynolds

Alfredo Diaz

Sam Vlahos

Guest Star

Keene Curtis

Paul Brock

Michael Gwynne

Guest Star

Woody Brown

Tsombe Kuna

Zakes Mokae

Randy Merritt

Brian Robbins

Lee Carstairs

Bruce Bauer

Guest Star

Lu Leonard

Archibald / Judge Oliver Callan

George Murdock

Lloyd Newald

Myron Healey

Guest Star

Michael Fairman

Camela/Amelia Clermont

Deborah Allison

Louis R. Gastner

John Milford

Guest Star

Hugh Gillin

Casey

Stephen Liska

General Maddox

Paul Lambert

Sheriff / Lt. George Barth / Hagen

Jack Starrett

Greg Noble

John Patrick Reger

Tony

James Arone

Nora Rayburn

Angel Tompkins

Jake Simpson

Robert O'Reilly

Nurse Langly

Susan Kellermann

RC3

Peter Parros

Guest Star

Nicolas Coster

George Atherton

Jon Cypher

Vernon Gray / Christopher Stone

Lance LeGault

Elton Mathews

Robert Colbert

Dudley

Michael J. London

Guest Star

Michael Bowen

Guest Star

Tim O'Connor

Congressman Ebersol

Linden Chiles

Stephano

Giorgio Tozzi

Commander Smythe

Bernard Fox

Guest Star

Shawn Ora Engemann

Roger Floyd

Madison Mason

Tom Baylor

Joseph Hindy

Denise Merritt

Janet Carroll

Guest Star

David Cowgill

Guest Star

Cyndi James-Reese

Officer Bowman

J. Jay Saunders

Guest Star

Bill Wiley

Luger / Mike Zoormagian / Sam

Alex Kubik

Guest Star

Cameron Mitchell

Ivory

Joseph Burke

Dr. Carney

Hank Brandt

Dave Collins

Dana Gladstone

Guest Star

Allyn Ann McLerie

Guest Star

Patty Kotero

Guest Star

John M. Banach

Guest Star

Sammy Jackson

Guest Star

Rosalind Ingledew

Guest Star

Elizabeth Lindsey

Guest Star

Christine DeLisle

Guest Star

Arthur Taxier

Guest Star

William Boyett

Guest Star

Fred Lerner

Sam Richards

Kurt Smildsin

Guest Star

Michael Huddleston

Guest Star

Marion Yue

Guest Star

Pepper Davis

Guest Star

Michael Rider

Guest Star

Carl Strano

Guest Star

Shanna Reed

Guest Star

Thomas F. Wilson

Guest Star

Terry Moore

Guest Star

Beau Starr

Guest Star

Robyn Lively

Guest Star

Robert Miranda

Guest Star

Javier Grajeda

Guest Star

Robert Bralver

Guest Star

Frank Birney

Guest Star

Paul Pepper

Guest Star

Marty Schiff

Guest Star

Mario Marcelino

Guest Star

Albert Salmi

Guest Star

Lloyd Alan

Guest Star

Petrus Antonius

Guest Star

Cris Capen

Guest Star

Ken Scott

Guest Star

Kaaren Lee

Guest Star

Randy Polk

Guest Star

Julie Ronnie

Guest Star

Will MacMillan

Guest Star

Pedro Armendariz

Guest Star

Sal Landi

Guest Star

Rene Assa

Guest Star

Michael Champion

Guest Star

Gene LeBell

Guest Star

Brian Cutler

Guest Star

Nick Dimitri

Guest Star

Henry G. Sanders

Guest Star

Fitzhugh G. Houston

Guest Star

Ethan Wayne

Guest Star

Jesse Aragon

Guest Star

Tim Gillin

Guest Star

Larry Moss

Guest Star

Ivan Naranjo

Guest Star

Kopi Sotiropulos

Guest Star

David J. Partington

Guest Star

Nicholas Guest

Guest Star

Emily Banks

Guest Star

Frank Garret

Guest Star

Nancy Ellison

Guest Star

Murray Westgate

Guest Star

Toni Nero

Guest Star

Dean Wein

Guest Star

Bruce Paul Barbour

Guest Star

Wally Taylor

Guest Star

Vicki McCarty

Guest Star

Robert Pastorelli

Guest Star

Kurt Fuller

Guest Star

Robert Clarke

Guest Star

Akosua Busia

Guest Star

Joe Bellomo

Guest Star

Chuck Lindsly

Cabby / Garbage Man / Tuxedo

Michael Masters

Guest Star

Marland Proctor

Guest Star

Larry Huffman

Guest Star

Vincent Barbour

Pete - Truck Driver / Federal Agent / Janetti

Bruce Neckels

Guest Star

Luis Contreras

Guest Star

Tom Greene

Guest Star

Michael J. Cutt

Guest Star

Frank Lugo

Guest Star

Vince McKewin

Guest Star

Arell Blanton

Guest Star

William Harlow

Guest Star

Tom Gilleran

Bloodworth / Butch

Tim Rossovich

Joe Lewis / General Duncton

Alan Oppenheimer

Judge Roland S. Paxton / Edgar

Logan Ramsey