Dwayne Hickman
Dobie Gillis (147 eps)
Bob Denver
Maynard G. Krebs (147 eps)
Frank Faylen
Herbert T. Gillis (147 eps)
Florida Friebus
Winifred Gillis (147 eps)
Sheila James Kuehl
Zelda Gilroy (147 eps)
Tuesday Weld
Thalia Menninger (16 eps)
Marjorie Bennett
Blossom Kenney (10 eps)
Steve Franken
Chatsworth Osborne, Jr. (8 eps)
Warren Beatty
Milton Armitage (5 eps)
Alberto Morin
Captain Lopez (4 eps)
Richard Reeves
Officer Sam Parmalee (4 eps)
John Fiedler
George G. Cheever (4 eps)
Milton Frome
Alfred Montcalm (4 eps)
Mary Jackson
Mrs. Kenny (3 eps)
Michael Burns
Chrissie Tyler (as Mike Burns) (2 eps)
Hal Taggart
Boxing Match Spectator (uncredited) (2 eps)
Anne Whitfield
Malt Shop Girl (2 eps)
Carole Cook
Fifi LaVerne (2 eps)
Linden Chiles
A.F. Bottomly (2 eps)
Lynn Loring
Edwina Kegel (2 eps)
David Frankham
Derek (1 eps)
Verna Felton
Mrs. Lapping (1 eps)
Gina Gillespie
Hermione Krausmeyer (1 eps)
Marvin Kaplan
Mr. Monty W. Milfloss (1 eps)
Bea Benaderet
Telephone Operator (voice) (1 eps)
Joey D. Vieira
Bobby Wilkins (as Donald Keeler) (1 eps)
Ellen Burstyn
Donna Whittaker (1 eps)
Ralph Sanford
Fred (uncredited) (1 eps)
Jane Wald
Arabella Parmalee (1 eps)
Bob Barran
Malt Shop Customer (1 eps)
Page Slattery
Moose McCullough (1 eps)
Kathy Wakefield
Malt Shop Customer (1 eps)
Jan Stine
Malt Shop Customer (1 eps)
Christian Kay
Gwyneth Krausmeyer (1 eps)
Mark Patrick
Malt Shop Customer (1 eps)
James Westmoreland
Paisan (1 eps)
Roy Roberts
Nicholas J. Vanderfeller (1 eps)
Ron Nyman
Soldier (uncredited) (1 eps)
Marilyn Fox
Ballet Dancer (1 eps)
Max Showalter
Dr. Charles Graham (1 eps)
Chuck Hicks
Boxer (1 eps)
John Indrisano
Referee (1 eps)
Garry Walberg
Committeeman Klug (as Gary Walberg) (1 eps)
Judy Nugent
Blonde (1 eps)
Lennie Weinrib
Eddie Baker (1 eps)
Patricia McNulty
Caprice Pringle (1 eps)
Orangey
Cat (uncredited) (1 eps)
Frank Wilcox
Dr. Worthington (1 eps)
Herbert Ellis
Charlie Mulcahey (1 eps)
Ben Welden
Police Chief (1 eps)
Richard Deacon
Cecil Ellingboe (1 eps)
Roberta Shore
Clothilde Ellingboe (1 eps)
Stephanie Hill
Grace Grimsby (1 eps)
Robert Foulk
Mr. Callahan (1 eps)
Barbara Bain
Veronica Vanderheit (1 eps)