
| Lucille Ball | ... | Lucy Ricardo / ... (181 episodes, 1951-1957) |

| Desi Arnaz | ... | Ricky Ricardo / ... (181 episodes, 1951-1957) |
 | Vivian Vance | ... | Ethel Mertz (176 episodes, 1951-1957) |
 | William Frawley | ... | Fred Mertz (175 episodes, 1951-1957) |
 | Joseph A. Mayer | ... | Little Ricky Ricardo (32 episodes, 1953-1956) |
 | Michael Mayer | ... | Little Ricky Ricardo (32 episodes, 1953-1956) |
 | Johnny Jacobs | ... | Announcer (28 episodes, 1951-1957) |
 | Richard Keith | ... | Little Ricky Ricardo / ... (23 episodes, 1956-1957) |
 | Bennett Green | ... | Messenger / ... (20 episodes, 1951-1956) |
 | Hazel Pierce | ... | Club Member / ... (15 episodes, 1951-1956) |
 | Jerry Hausner | ... | Jerry / ... (14 episodes, 1951-1954) |
 | Louis Nicoletti | ... | Waiter / ... (12 episodes, 1953-1957) |
 | Frank Nelson | ... | Ralph Ramsey / ... (11 episodes, 1951-1957) |
 | Elizabeth Patterson | ... | Mrs. Matilda Trumbull / ... (11 episodes, 1952-1956) |
 | Doris Singleton | ... | Caroline Appleby / ... (10 episodes, 1953-1957) |
 | Kathryn Card | ... | Mrs. McGillicudy / ... (9 episodes, 1954-1956) |
 | Richard Reeves | ... | Assassin / ... (8 episodes, 1951-1954) |
 | Bob Jellison | ... | Bobby the Bellboy / ... (8 episodes, 1952-1955) |
 | Barbara Pepper | ... | 'Friends of the Friendless' lady / ... (8 episodes, 1952-1955) |
 | Mary Jane Croft | ... | Betty Ramsey / ... (6 episodes, 1954-1957) |
 | Richard Lee Simmons | ... | Little Ricky Ricardo (5 episodes, 1953) |
 | Ronald Lee Simmons | ... | Little Ricky Ricardo (5 episodes, 1953) |
 | Fred Aldrich | ... | Butcher / ... (5 episodes, 1952-1956) |
 | Herb Vigran | ... | Jule / ... (4 episodes, 1952-1954) |
 | Lee Millar | ... | Announcer / ... (4 episodes, 1951-1955) |
 | Shepard Menken | ... | Charpontier / ... (4 episodes, 1951-1956) |
 | Ross Elliott | ... | Himself / ... (4 episodes, 1952-1955) |
 | Lou Krugman | ... | Babalu Manager / ... (4 episodes, 1955-1956) |
 | Peggy Rea | ... | Cardplayer / ... (4 episodes, 1953) |
 | Kay Wiley | ... | Customer / ... (4 episodes, 1952-1954) |

| Charles Lane | ... | Casting Director / ... (4 episodes, 1953-1956) |
 | Tyler McVey | ... | Bill Hall / ... (4 episodes, 1954-1957) |

| Tennessee Ernie Ford | ... | Cousin Ernie (3 episodes, 1954-1955) |
 | Lawrence Dobkin | ... | Counterfeiter / ... (3 episodes, 1953-1956) |
 | Jay Novello | ... | Mario / ... (3 episodes, 1951-1956) |
 | Dayton Lummis | ... | Bill Parker / ... (3 episodes, 1953-1955) |
 | Elvia Allman | ... | Factory Foreman / ... (3 episodes, 1952-1955) |
 | Harry Bartell | ... | Jewel Thief / ... (3 episodes, 1952-1955) |
 | Allen Jenkins | ... | Cop / ... (3 episodes, 1952-1953) |
 | John Hart | ... | Jim Stevens / ... (3 episodes, 1953-1955) |
 | Margie Liszt | ... | Clubwoman / ... (3 episodes, 1952-1953) |
 | Marco Rizo | ... | Marco / ... (3 episodes, 1951-1952) |
 | Bess Flowers | ... | Lady In Theatre Audience / ... (3 episodes, 1952-1957) |
 | William Hamel | ... | Maitre d' (3 episodes, 1952-1953) |
 | Ruth Perrott | ... | Clubwoman / ... (3 episodes, 1952-1953) |
 | Shirley Mitchell | ... | Marion Strong (3 episodes, 1953-1954) |
 | Ray Ferrell | ... | Bruce Ramsey (3 episodes, 1957) |
 | Hal March | ... | Eddie Grant / ... (2 episodes, 1952-1953) |
 | Joseph Kearns | ... | Dr. Tom Robinson / ... (2 episodes, 1952-1957) |
 | Irving Bacon | ... | Mr. Willoughby / ... (2 episodes, 1952-1955) |
 | Alberto Morin | ... | Carlos / ... (2 episodes, 1952-1953) |
 | Hans Conried | ... | Mr. Jenkins / ... (2 episodes, 1952) |
 | Gale Gordon | ... | Mr. Alvin Littlefield / ... (2 episodes, 1952) |
 | Myra Marsh | ... | Club President / ... (2 episodes, 1952) |
 | Stanley Farrar | ... | Bennett Green / ... (2 episodes, 1954-1956) |
 | Parley Baer | ... | Mr. Perry / ... (2 episodes, 1955-1957) |
 | Jess Oppenheimer | ... | Network Sponsor #1 / ... (2 episodes, 1951-1952) |
 | Edith Meiser | ... | Mrs. Littlefield / ... (2 episodes, 1952) |
 | Hy Averback | ... | Charlie Appleby / ... (2 episodes, 1953-1955) |
 | Vivi Janiss | ... | Clubwoman / ... (2 episodes, 1953-1954) |
 | Phil Arnold | ... | Harry Henderson / ... (2 episodes, 1953) |
 | Verna Felton | ... | Mrs. Porter / ... (2 episodes, 1953) |
 | Sandra Gould | ... | Nancy Johnson / ... (2 episodes, 1954-1957) |
 | Hazel Boyne | ... | Maggie, the cleaning lady / ... (2 episodes, 1951-1954) |
 | Charlotte Lawrence | ... | Clubwoman / ... (2 episodes, 1953-1955) |
 | Ken Christy | ... | Dock Agent / ... (2 episodes, 1954-1956) |
 | June Whitley Taylor | ... | Clubwoman (2 episodes, 1953) |
 | John Emery | ... | Harold - The Tramp / ... (2 episodes, 1951-1957) |
 | Philip Ober | ... | Arnold - The First Husband / ... (2 episodes, 1951-1955) |
 | Tony Michaels | ... | Charlie / ... (2 episodes, 1951-1954) |
 | Peter Leeds | ... | Mr. Krausfeld / ... (2 episodes, 1952-1956) |
 | Maurice Marsac | ... | Maurice / ... (2 episodes, 1952-1956) |

| Will Wright | ... | Mr. Walters / ... (2 episodes, 1952-1955) |
 | Pepito Pérez | ... | Himself (2 episodes, 1952) |
 | Paul Power | ... | Award Presenter / ... (2 episodes, 1953-1957) |
 | Frank Gerstle | ... | Pilot / ... (2 episodes, 1953-1956) |
 | Lillian Molieri | ... | Dream Carlotta / ... (2 episodes, 1953-1956) |
 | Mario Siletti | ... | Farmer / ... (2 episodes, 1953-1956) |
 | Madge Blake | ... | Martha / ... (2 episodes, 1954-1957) |
 | Byron Kane | ... | Morris Williams / ... (2 episodes, 1954-1957) |
 | Dick Elliott | ... | Henry / ... (2 episodes, 1954-1956) |
 | Mary Emery | ... | Ricky's Mother (2 episodes, 1954-1956) |
 | Rodolfo Hoyos Jr. | ... | Party Guest / ... (2 episodes, 1954-1956) |
 | Allan Ray | ... | Clapstick Man / ... (2 episodes, 1954-1955) |
 | Don Garner | ... | Delivery Boy / ... (2 episodes, 1954) |
 | Maxine Semon | ... | Nurse / ... (2 episodes, 1955-1956) |
 | John Gallaudet | ... | Johnny Clark (2 episodes, 1955) |
 | Iva Shepard | ... | Maid / ... (2 episodes, 1955) |
 | Peter Brocco | ... | Dominic / ... (2 episodes, 1956-1957) |
 | John Mylong | ... | Casino Manager / ... (2 episodes, 1956) |
 | Vincent Padula | ... | Drunk / ... (2 episodes, 1956) |
 | Trevor Ward | ... | Cop / ... (2 episodes, 1956) |
 | Eleanor Audley | ... | Eleanor Spaulding / ... (2 episodes, 1957) |
 | Tristram Coffin | ... | Harry Munson (2 episodes, 1957) |