Full Cast — My Three Sons (1960–1972)
Fred MacMurray
Steve Douglas
Don Grady
Robbie Douglas
Stanley Livingston
Chip Douglas
William Demarest
Charley O'Casey
Barry Livingston
Ernie Thompson
Tim Considine
Mike Douglas
William Frawley
Bub O'Casey
Tina Cole
Katie / Joanne Edwards
Beverly Garland
Barbara
Dawn Lyn
Dodie Harper Douglas
Ann Marshall
Ruth
Mike Minor
Clark Sullivan / Douglas Frasier (voice)
Betty Lynn
Janet Dawson / Janice Dawson / Lois Bradley
Natalie Masters
Mrs. Showfield / Margaret Pendleton / Mrs. Bergen
Naomi Stevens
Mama Rossini
Jodie Foster
Priscilla
Norman Alden
Doris Singleton
Meredith MacRae
Sally Ann Morrison / Sally Ann Morrison Douglas
Olan Soule
Kevin Brodie
Sidney Clute
Stephen McEveety
Ann McCrea
Betty / Mrs. Crawford
Lovyss Bradley
Protestor (uncredited) / Customer (uncredited) / Mrs. Maitland (uncredited) / Wedding Guest (uncredited) / Party Guest (uncredited)
Yale Summers
Phil / Bill Miller
Oliver McGowan
Dr. Thornton
Leon Ames
Bill Quinn
Dr. Miller
Carleton Young
Joe
Alan Caillou
William Boyett
Captain / Coach / Joe Mitchell / Cowboy
Larry Merrill
Lang / Kermit / Chuck / Curt
Eleanor Audley
Barbara's Mother
Mason Curry
Cousin Eldon / Red
Jeanette Nolan
Aunt Kate / Madam Irina / Grandma
Gil Lamb
Mr. Franklin / First Man / Tom / Ted Dollinger
Tim Matheson
Zeme North
Anne Francis
Irene Hervey
Booth Colman
Kaye Elhardt
Diane Mountford
Vince Howard
Police Officer
Patience Cleveland
Mimi Gibson
Robert Brubaker
Mr. Baker
Charles Herbert
Marcia Mae Jones
Marta Kristen
Lorraine Pendleton / Linda Francis
Butch Patrick
Butch Patrick
Hank Jones
Pete / 1st Student
Vera Miles
Ernestine Coulter
Sherry Alberoni
Ellie Kopsing / Ruth
Kathryn Givney
Grandma Collins
Paul Sorensen
Guard #1 / Policeman / Policeman Kelly
John Gallaudet
Bob Anderson / Mr. Guthrie
Maurice Marsac
Ship's Waiter (uncredited) / Mr. Felix
Burt Mustin
Elderly Man / Potts
Walter Reed
John Hunter / Roy Davis / Dean of Men
John McLiam
Douglas / Postman Brophy
Florence MacMichael
Mrs. Florence Pearson / Florence Pearson / Linda Pearson
Ollie O'Toole
Paddy O'Casey / Taxi Driver / Traffic Department Man
Aladdin
Cesare
George N. Neise
Salesman
Beau Bridges
Julie Parrish
Sandra Gould
Pauline Drake
Lori Martin
Joan Vohs
Susan Gordon
Rolfe Sedan
Cheryl Holdridge
Hope Summers
Morgan Brittany
Beulah Quo
Flip Mark
Shirley Mitchell
Johnny Silver
Tracie Savage
Harold Peary
Joe / Otis Finch
Roy Roberts
Jerry Andrews
Jerry Davis
Brenda Benet
Charles Lampkin
Jon Lormer
David Fresco
Buck Young
Police Officer
Jon Walmsley
Lois January
Jane Dulo
Elsie Baker
John Alvin
Helen Funai
Tracy Lee
Victoria Paige Meyerink
Margaret
Lori Loughton
Wendy / Debbie
Benson Fong
Ray Wong
Sheldon Collins
Ricky / Clifford Crawford
Paul Engle
Andy Gibson
Ralph Hart
Kerwin
Charles Robinson
Craig Benson
Virginia Gregg
Miss Miller / Mrs. Miller
Jay North
Jeff Welch / Dave Welch Jr.
Susan Seaforth Hayes
Suzanne Boyer / Judith Leslie
Paul Picerni
Jack / Paul Owlfeather
Laurence Haddon
Man Waiting in Line (uncredited) / Don Lennox
John Hubbard
Mr. Reynolds
Richard Reeves
Police Officer / Smitty
Reta Shaw
Mrs. Bradshaw / Fedocia Barnett
Maudie Prickett
Brownie / Elsie Stepp
Elaine Devry
Millicent Sawyer / Helen Logan
Gene Tyburn
M.C. / Interne
Patricia McNulty
Ellen / Josephine Pringles
Herbert Anderson
Major Bowers / Joe Linden
J. Pat O'Malley
Mooney / Charles Turner
Mariette Hartley
Mary Kathleen Connolly
Robert Emhardt
Mickey O'Casey
Rand Brooks
Frank Walker / Ed Henson
Barry Brooks
Waiter / Sergeant-at-Arms
Ivan Bonar
Dr. Dan Clark / Mr. Dunham
Dorothy Green
Joan Johnson / Edie Trunchell
Robert P. Lieb
Henry Pearson