Marcus Welby, M.D.

Robert Young

Dr. Marcus Welby

James Brolin

Dr. Steven Kiley

Elena Verdugo

Consuelo Lopez

Pamela Hensley

Janet Blake Kiley, Janet Blake

Sharon Gless

Kathleen Faverty, Lynn Baker, Dr. Susan Carr

Jan-Michael Vincent

Ritchie Manning

Walter Brooke

Dr. Roy Staples

Anne Baxter

Myra Sherwood

John Lupton

Vincent M. Dunn

Lynn Carlin

Helen Stewart

Michele Lee

Rowena Dancy

Marsha Hunt

Mrs. Bellows

Kristoffer Tabori

Brad Lyman

Jane Wyatt

Edwina

William Sylvester

Paul Berwick

Farrah Fawcett

Laura Foley

Elizabeth Rogers

Woman Executive

Juanita Moore

Mrs. Hughes

Jackie Earle Haley

Tony

Percy Rodriguez

Ernest Jackson / George Clark

Carrie Snodgress

Laura

Gary Merrill

Orlando 'Cord' Corday

William Schallert

Brian Cullen

Ricardo Montalban

Rick Rivera

Gretchen Corbett

Leah Blakely

Mark Miller

Martin Loring

Robert Guillaume

Aaron Carothers

Jack Sheldon

Visitor

Lois January

Mrs. Sloan

Joan Darling

Abby Maslow

Dolores del Río

Carlotta Lopez de Guadalupe

Glenn Corbett

Wesley Hill

Lois Nettleton

Mary Anderson

Sheree North

June Monica

Henry Wilcoxon

Captain Rick Ballinger

Linda Marsh

Zoe Eugenides

Joan Freeman

Catherine McLeod

Mrs. Pate

Barry Williams

Pancho McGurney

Earl Holliman

Father Hugh

Robert McQueeney

Howard Gage

Virginia Grey

Mrs. Cavanaugh

Napoleon Whiting

Donald

Angela Greene

Clair Clifford

Barbara Hale

Marjorie Brandon

Byron Morrow

Priest-Secretary

Strother Martin

Terry Riggs

Barry Brown

Greg Wells Jr.

Marla Adams

Marian Blakely

Frank Silvera

Nick Eugenides

Elizabeth Hubbard

Dr. Gardner

Robert Ellenstein

Dr. William Hall

Brad Savage

Joshua Sellers

Joseph Campanella

Leo Maslow

Lawrence Pressman

Alex Graham

Janet Blair

Ann Ferris

Martha Scott

Mrs. Loring

Lee Purcell

Cathy Cullen

Richard Thomas

Dennis Alan Graham

Nancy Malone

Nora McGurney

Sharon Acker

Nancy Mason, Margaret Loring

Nehemiah Persoff

Max Behrman

Susan Clark

Judy Graham, Ruth Ann Adams

Barney Phillips

Capt. Cochran

John McMartin

John Ambrose

Peggy Rea

Mrs. Baker

Mel Stewart

Sam Kincaid

Beth Brickell

Jeanne Corday

Barbara Rush

Nadine Cabot, Dorothy Carpenter

Booth Colman

Mr. Huntsman

Sian Barbara Allen

Carrie Brandon Lyman

Clay O'Brien

Peter Graham

Fred Sadoff

Jerry Ainsworth

George O'Hanlon

Mrs. Pate

Heather Menzies

Margie McGurney

Peter Hobbs

Mr. Craddock

Darleen Carr

Tracy Clifford

Virginia Capers

Aunt Cass

Scott Jacoby

Billy Loring

Butch Patrick

Sailor Ballinger

JoAnna Cameron

Carolyn Kingsley, Nurse Anne MacAndrews

Jeanne Bates

Mrs. Collins

Kaz Garas

Alex Kovak, John Christopher

Celia Lovsky

Lena Perlin

Ben Cooper

Larry Adams

Stuart Nisbet

Frank

Michael Burns

Dinty Gallagher

Cloris Leachman

Jean Cullen

Larry Linville

Dr. Beck

Edward Winter

Bill Swanson

Pernell Roberts

Roger, Tom Boyd

William Henry

Executive

Patrick Wayne

Sergeant Buchanan

Steve Ihnat

Bob Stewart

Peter Brandon

Dr. Hoving

Vinton Hayworth

Marvin Stoley

Ronne Troup

Ginny Peterson, Karen

Vera Miles

Janet Devaney, Helen Wagner

Charles Lampkin

Mr. Murtree

Kenneth Washington

Billy Kincaid

Bob Hastings

Dr. Pardan

Ruta Lee

Shirley Ballinger

Bradford Dillman

Ken McGurney

Judith McConnell

Lee Simmons

Rafael Campos

Felix Azevedo

William Smithers

George Howe

Barbara Morrison

Nurse

Tom Drake

Homer Chatfield

David Cassidy

Michael Ambrose

Whit Bissell

Dr. Arnold Winnick

Joel Fluellen

Uncle Clem

Vaughn Taylor

Dean Worthington

Alexander Scourby

Anthony Alquist, Lucas Coleman

Marshall Reed

Mr. Peterson, Carter, Matt Callan

Jack Albertson

Mr. Chambers

Ruth Roman

Dr. Margaret

Marlene Clark

Lorine

Ben Murphy

Alan Peterson

Scott Newman

Harry Palmer

Sidney Miller

Ben Leona

John McCann

Coach Garrett

James Doohan

Fred Baxter, Detective Sgt. Brenner

Cliff Potts

Paul, Dr. Paul Moran

Susan Brown

Joanna Lowell

Lyle Waggoner

Eric Lundgren

Sally Ann Howes

Janet Boyd

Belinda Montgomery

Susan, Mary Ann Graham

Paul Burke

Anson Williams

Larry J. Blake

Urologist, Capt. Merriman

Don 'Red' Barry

Al Karlovic, Abner Dickens

Julie Adams

Claire Berwick, Lee Morgan

Jack Hogan

Dr. Bill Haskins

Jeanette Nolan

Mrs. Tibbett

Joaquín Martínez

Dr. Ramirez

Harry Harvey

Mr. Simpson

Abel Fernandez

Angelo Rodrigues

Christine Belford

Phyllis Dalton

June Lockhart

Lila

Jim Backus

Bill

Jeff Donnell

Cleaning Woman

Agnes Moorehead

Mrs. Ramsey

Sharon Farrell

Cecile Ramsey

Marion Ross

Dr. Helen Cartwright

George Maharis

Curtis Haynes

Barbara Anderson

Julie Haynes

Robert Clarke

Arthur

Myrna Fahey

Grace Ashley

Aneta Corsaut

Jenny Bailey, Brenda Tillerman

Maudie Prickett

Miss James, Mrs. Betts

Jessica Walter

Jenny Alquist

David McCallum

Brian Kenny

Tracie Savage

Casey Sellers, Judy Rollins

John Smith

Doc Hunter

Elaine Devry

Ellie Hill, Mrs. Braden, Shelia Bryant, Loretta McKenna

Carl Betz

Dr. Simon Bryant

Gary Crosby

Mr. Braden

Carol Lawrence

Adele Robbins

Dawn Lyn

Cara Anderson, Andrea Rolf, Shelia

Don Stroud

Charlie Gates, Dutch Radtke

Gordon Pinsent

Dr. Joseph Xavier

Ryan McDonald

Bill Robbins

Roger Perry

Jack Tappin

Diane McBain

Barra Dean

Adam Williams

Dr. Schmidt

Victor Izay

Dr. Bonner, Dr. Chet Larkin

John Harmon

Mr. Glick

Leo Gordon

Sgt. Lewis

Donnelly Rhodes

Paul Daniels

Anne Schedeen

Mariette, Sandy Porter, Mrs. Elizabeth Carstairs

Randolph Mantooth

Intern

Lucie Arnaz

Jo Anne Bosley

Richard Basehart

Reece Sutton, Professor Andrew Kirkcastle

Joanna Barnes

Noreen Saunders, Laura Daniels

Russell Thorson

Dr. Sloan, Dr. Gregson

Joan Hotchkis

Muriel Bosley

Gavan O'Herlihy

Herb Frane

Kent McCord

Scott Fritchie

Shelley Fabares

Norma Fritchie

Jean Allison

Mrs. Maynor

Robert B. Williams

Elderly Gent

Roy Stuart

Bill Dunning

Michael Callan

Greg Robbins

Virginia Gregg

Janet Kenderdine, Dr. Martha Heider

Harry Hickox

Walt Baker

John Daheim

Police Sgt., Sgt. Miller

Robert Hays

Officer Gilpin

Hanna Landy

Renee

Gena Rowlands

Lorraine Denby

Jed Allan

Chris Denby

Jerry Fogel

Dr. Steinberg, Mike Rossowitz, Marty Siegel, Jack Kramer

Lindsay Wagner

Nurse Gledhill, Emily Metaxas

Anne Jackson

Alicia Blair

Donna Mills

Bea Averton

Eric Braeden

Pastor Goodleigh

Kip Niven

Dr. Richards

Greg Mullavey

Father Kling, Ed Putnam, Tom Dalton

Quinn K. Redeker

Judge Wilsdon

Anthony Ainley

John Phillips

Richard Derr

Baryatrician, Winston Ackroyd

Margaret O'Brien

Neva Phillips

Arch Johnson

Contractor

Curt Lowens

Dr. Spandau

Richard Gilliland

Ronnie Morgan

Kelly Jean Peters

Eve Phillips

Aline Towne

Nurse Cohen, Nurse Irwin

John Considine

Dr. Edward Smithson

Robert Emhardt

Jack Walthers, Alfred Mercer

Arthur Hill

Owen Marshall

Fionnula Flanagan

Maggie

Lee Majors

Jess Brandon

Ron Masak

Stan Krause

Richard Bull

Lawyer

Hugh Beaumont

Jim Wagner

Troy Melton

Driving Instructor

Frank Aletter

Avery Waters

Arnold F. Turner

Intern, Hospital Orderly, Orderly

Peter Kastner

Radames Pera

David Epstein

Jackie Coogan

Vince Darrell

Paul Kent

Alan Pritchard, Albert McGrath

Susan Howard

Dr. Barbara Kerr

Crystin Sinclaire

Receptionist (as Lynda Gold)

Geoffrey Deuel

Eddie Haynes

Don Galloway

Bill Hull

Sheila James Kuehl

Laura Mazza

Patrick O'Neal

Dr. Valentine Peterson

Robert F. Simon

Dr. Graham, Dr.Byron V. Anders

Brenda Vaccaro

Marilyn Hoffman

Charles Aidman

Dr. Ken Blair

William Windom

Dr. Sam Mason

Dorothy Green

Charlotte, Ruthie, Louise Janis

Bob Harks

Patient (uncredited)

Sidney Clute

Hanson

Jan Shepard

Anita Rivera