Season 4

Robert Young

Dr. Marcus Welby

24 episodes

James Brolin

Dr. Steven Kiley

24 episodes

Pamela Hensley

Janet Blake

24 episodes

Sharon Gless

Kathleen Faverty

24 episodes

Elena Verdugo

Consuelo Lopez

24 episodes

Jan-Michael Vincent

Ritchie Manning

1 episode

Mark Miller

Martin Loring

1 episode

Lawrence Pressman

Alex Graham

1 episode

Martha Scott

Mrs. Loring

1 episode

Clay O'Brien

Peter Graham

1 episode

Scott Jacoby

Billy Loring

1 episode

JoAnna Cameron

Carolyn Kingsley

1 episode

Susan Clark

Judy Graham

1 episode

Sharon Acker

Margaret Loring

1 episode

Pernell Roberts

Tom Boyd

1 episode

Lyle Waggoner

Eric Lundgren

1 episode

Sally Ann Howes

Janet Boyd

1 episode

Marshall Reed

Matt Callan

1 episode

Aneta Corsaut

Jenny Bailey

1 episode

Don 'Red' Barry

Abner Dickens

1 episode

Gary Dubin

Chris Bailey

1 episode

Larry J. Blake

Urologist

1 episode

Agnes Moorehead

Mrs. Ramsey

1 episode

Sharon Farrell

Cecile Ramsey

1 episode

Marion Ross

Dr. Helen Cartwright

1 episode

Dawn Lyn

Shelia

1 episode

Leo Gordon

Sgt. Lewis

1 episode

Joanna Barnes

Laura Daniels

1 episode

Donnelly Rhodes

Paul Daniels

1 episode

Jerry Fogel

Marty Siegel

1 episode

Pitt Herbert

Dr. Pierson

1 episode

David Victor

Executive Producer

24 episodes

David J. O'Connell

Producer

24 episodes