- Hy Averback - Self
- David Niven - Self
- Sheldon Leonard - Self
- Edmond O'Brien - Self
- Verna Felton - Self
- Verna Felton - Self - Sketch Performer (uncredited)
- James Garner - Self
- Barbra Streisand - Self
- Tuesday Weld - Self
- Douglas Fairbanks Jr. - Self
- Maurice Rocco - Self
- Beatrice Lillie - Self
- Hal Le Roy - Self
- Janis Paige - Self
- Janis Paige - Madame Nunez
- Walter Greaza - Self
- Jack Benny - Self
- Jack Benny - Self - Cameo
- Jack Benny - Self - Guest hosts
- Frank Sinatra - Self
- Peggy Lee - Self
- Arnold Stang - Self
- Bill Hayes - Self
- Dean Martin - Self
- Dean Martin - Self - Cameo
- Sylvia Miles - Self
- Ed Herlihy - Self - Announcer
- Lucille Ball - Self
- Bob Crosby - Self
- Vincent Donahue - Self
- Jimmy Little - Self
- Howard Morris - Self
- Tom Pedi - Self
- Dinah Shore - Self
- Mary Wickes - Self
- Les Brown - Self - Orchestra Leader
- Judy Kelly - Self
- Marilyn Maxwell - Self
- Jimmy Wakely - Self
- Jerry Bergen - Self
- Charles Boyer - Self
- Betty Bruce - Self
- Robert Cummings - Self
- Robert Maxwell - Self
- Lily Pons - Self
- B.S. Pully - Self
- Erik Rhodes - Self
- Eleanor Roosevelt - Self
- Ed Wynn - Self
- Imogene Coca - Self
- Frank Faylen - Self
- Anna Maria Alberghetti - Self
- Martha Stewart - Self
- Fred MacMurray - Self
- Phil Harris - Self
- Alan Reed - Self
- Gale Storm - Self
- Joan Shawlee - Self
- John Gallaudet - Self
- Eddie Marr - Self
- Shirley MacLaine - Self
- Almira Sessions - Self
- James Mason - Self
- George Sanders - Self
- George Gobel - Self
- Sid Tomack - Self
- Ralph Sanford - Self
- Desi Arnaz - Self
- Vivian Vance - Self
- William Frawley - Self
- Julie London - Self
- Peggy King - Self
- Natalie Wood - Self
- Shelley Winters - Self
- Gary Crosby - Self
- Rhonda Fleming - Self
- Erin O'Brien - Self
- Doris Singleton - Self
- Robert Wagner - Self
- James Darren - Self
- Steve McQueen - Self
- Troy Donahue - Self
- Paula Prentiss - Self
- Shelley Fabares - Self
- Milton Berle - Self
- Milton Berle - Self - Cameo
- Herb Vigran - Self
- Milton Frome - Self
- Polly Bergen - Self
- Jane Wyman - Self
- Nancy Kwan - Self
- Jack Paar - Self
- Joan Collins - Self
- Roberta Shore - Self
- Lana Wood - Self
- Sheila James Kuehl - Self
- Martha Raye - Self
- Andy Griffith - Self
- Jack Jones - Self
- Richard Chamberlain - Self
- Annette Funicello - Self
- Donald O'Connor - Self
- Danny Thomas - Self
- Danny Thomas - Self - Cameo
- Stella Stevens - Self
- Phyllis Diller - Self
- Phyllis Diller - Zoo Tour Guide
- Frankie Avalon - Self
- Carol Lawrence - Self
- Lee Marvin - Self
- Jonathan Winters - Self
- Arlene Dahl - Self
- Dina Merrill - Self
- Paul Lynde - Self
- Bill Cosby - Self
- Dan Rowan - Self
- Dick Martin - Self
- Don Adams - Self
- Robert Foulk - Self
- Elke Sommer - Self
- Glenn Ford - Self
- Diane McBain - Self
- Tony Bennett - Self
- Vikki Carr - Self
- Barbara Eden - Self
- Glen Campbell - Self
- Fess Parker - Self - Cameo
- Robert Stack - Self - Cameo
- Marlo Thomas - Self - Cameo
- Ann-Margret - Self
- George Burns - Self
- Johnny Carson - Self
- Johnny Carson - The Masked Killer (uncredited).
- Johnny Carson - Self - Cameo
- Nancy Sinatra - Self
- Louis Nye - Self
- John Davidson - Self
- John Davidson - John Kent
- Tina Louise - Self
- Maureen Arthur - Self
- Phil Silvers - Self
- Buddy Hackett - Self
- Nipsey Russell - Self
- Richard Deacon - Self
- Marty Allen - Self
- Tom Smothers - Self
- Dick Smothers - Self
- Michele Lee - Stephanie
- Irene Hervey - Mrs. Teale
- Eve McVeagh - Anna
- Ursula Andress - Self
- Gloria Loring - Self
- Connie Stevens - Self
- Raquel Welch - Self
- Shecky Greene - Self
- Shecky Greene - Self - Cameo
- Kaye Ballard - Self
- Ruth Buzzi - Self
- Nancy Walker - Self
- Irene Ryan - Self
- Lola Falana - Self
- Redd Foxx - Self
- John Wayne - Self
- John Wayne - Self - Cameo
- Cyb Barnstable - Self
- Patricia Barnstable - Self
- Petula Clark - Self
- Shirley Jones - Self
- Rose Marie - Self
- Angie Dickinson - Self
- Sue Lyon - Self
- Phyllis Newman - Self
- Debbie Reynolds - Self
- Jim Nabors - Self
- Eva Gabor - Self
- Dyan Cannon - Self
- David Cassidy - Self
- Alexis Smith - Self
- Jan Murray - Self
- Joe Flynn - Self - Cameo
- Mike Connors - Self
- Donna Douglas - Self
- Burt Reynolds - Self
- Bob Newhart - Self
- Arte Johnson - Self - Cameo
- Arte Johnson - Self
- Jackie Gleason - Self
- Rich Little - Self
- Alan King - Self
- Barbara Walters - Self
- John Byner - Self
- Jim Hutton - Self
- Foster Brooks - Self
- Pat Buttram - Self
- Jamie Farr - Self
- Larry Storch - Self
- Telly Savalas - Self
- Abe Vigoda - Self
- Ed McMahon - Self
- Ron Howard - Self
- Doc Severinsen - Self
- Kate Jackson - Self
- Don Knotts - Self
- Don Knotts - Self (uncredited)
- Mac Davis - Self
- Florence Henderson - Self
- Charles Nelson Reilly - Self
- Eva Marie Saint - Self
- Lynn Anderson - Self
- David Soul - Self
- Danny Kaye - Self
- Red Skelton - Self
- Robert Klein - Self
- Lucie Arnaz - Self
- Diahann Carroll - Self
- Adam Rich - Self
- Conrad Janis - Roman Lear
- Robert Guillaume - The Singer
- Loni Anderson - Self
- Kenneth Mars - Self
- Claude Akins - Self
- Charlotte Rae - Self
- Lou Ferrigno - Self
- Harvey Korman - Self
- Linda Gray - Self
- Linda Gray - Wendy Truesdale
- Stefanie Powers - Self
- Meshach Taylor - Self
- Loretta Swit - Self
- Donna Dixon - Self
- Mickey Rooney - Self
- George C. Scott - Self
- Trish Van Devere - Self
- Linda Evans - Self
- Michael Conrad - Self
- Betty White - Self
- Ann Jillian - Self
- James Coburn - Self
- Leslie Nielsen - Self
- Gavin MacLeod - Self
- Doris Roberts - Self
- John Forsythe - Self
- Mr. T - Self
- John Ritter - Self
- Ernest Borgnine - Self
- Michael Ross - Self
- Florence Halop - Self
- Billy Sands - Self
- Julia Barnett - Self
- Ed Marinaro - Self
- Paul Sorensen - Self
- Sherry Jackson - Self
- Shirley Knight - Self
- Leslie Parrish - Self
- Peter Lind Hayes - Self
- Jimmy Durante - Self
- Marilyn Monroe - Self
- Lilli Palmer - Self
- Red Skelton
Abe Vigoda interpreta a Self en la serie.
George Sanders hace el papel de Self.
James Mason hace el papel de Self.
Glenn Ford hace el papel de Self.
John Wayne hace el papel de Self.
Eva Marie Saint interpreta a Self en la serie.
Ed Herlihy interpreta a Self - Announcer en la serie.
Joan Shawlee hace el papel de Self.
George C. Scott interpreta a Self en la serie.
John Davidson hace el papel de John Kent.
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