| Checkmate is an American detective television series starring Anthony George, Sebastian Cabot, and Doug McClure. The show aired on CBS Television from 1960 to 1962 for a total of 70 episodes and was produced by Jack Benny's production company, "JaMco Productions" in co-operation with Revue Studios. Guest stars included Charles Laughton, Peter Lorre, and Lee Marvin, among many other commensurately prominent performers. |
| Name | Character | Episodes |
|---|---|---|
| Doug McClure | Jed Sills | 69 |
| Sebastian Cabot | Dr. Carl Hyatt | 69 |
| Anthony George | Don Corey | 69 |
| James Coburn | Gresch | 1 |
| James Hong | Louis Quong | 1 |
| John Astin | Jim Poole | 1 |
| David Janssen | Len Kobalsky | 1 |
| Katherine Squire | Mrs. Vorlund | 1 |
| Don Hanmer | Barney Cowl | 1 |
| Robert Osterloh | 1 | |
| Scott Marlowe | Daniel Brack | 1 |
| Vladimir Sokoloff | Pedro Moreno | 1 |
| Frankie Darro | Sonny | 1 |
| Walter Pidgeon | John Baker | 1 |
| Helen Brown | Miss Treadwell | 1 |
| John Dehner | George Shay | 1 |
| Ellen Burstyn | Margo as Ellen McRae | 1 |
| Elizabeth Montgomery | Vicki Page | 1 |
| Jane Wyman | 1 | |
| Jack Warden | 1 | |
| Earl Holliman | Jack Quentin | 1 |
| Ralph Bellamy | Governor Tom Barker | 1 |
| Julie Adams | 1 | |
| Julie Adams | Jean Damion | 1 |
| Ricardo Montalban | 1 | |
| Kathleen Crowley | Pauline Spencer | 1 |
| Angie Dickinson | Karen Vale | 1 |
| Susan Oliver | Hope Anthony | 1 |
| Tina Louise | Joanne Dunn | 1 |
| Dana Andrews | Judge Leland McIntyre | 1 |
| William Windom | Peter Morell | 1 |
| Dan O'Herlihy | Stephen Jordan | 1 |
| Doug McClure | 1 | |
| Peter Lorre | 1 | |
| Nick Adams | Weiler ("Kid") | 1 |
| Joseph Cotten | 1 | |
| Bethel Leslie | Cynthia Jordan | 1 |
| Joyce Van Patten | Marcia James | 1 |
| Lloyd Bridges | Howard Robert Gentry | 1 |
| Ed Nelson | Gil Stoneham | 1 |
| Ed Nelson | Chuck Palmer | 1 |
| Buddy Ebsen | Pete O'Mara | 1 |
| Eleanor Parker | Marion Bannion/Gussie Hill | 1 |
| Warren Stevens | Eric Williams | 1 |
| Claire Bloom | Gina Burton | 1 |
| Dabbs Greer | Hokey | 1 |
| Anne Baxter | Beatrice Martin Kipp | 1 |
| Harry Carey, Jr. | Phil Cassidy | 1 |
| Charles Drake | Mack Weston | 1 |
| Doris Dowling | 1 | |
| Paul Carr | Johnny Kay | 1 |
| George Sanders | Richard Gilmore | 1 |
| Myron McCormick | Phillip "Doc "Walters | 1 |
| Mary Tyler Moore | 1 | |
| John Hoyt | 1 | |
| Keir Dullea | Eddie Phillips | 1 |
| Don Taylor | Chip Damion | 1 |
| Alan Napier | Father Dunne, the Abbot | 1 |
| Ford Rainey | Paul O'Neill | 1 |
| Anne Seymour | Mrs. Creighton | 1 |
| Ron Randell | Ron Randell | 1 |
| Philip Abbott | Lawrence Dresher | 1 |
| Jimmy Lydon | Ben Roberts | 1 |
| Rebecca Welles | 1 | |
| Frank Maxwell | Alex Wismer | 1 |
| Stanley Adams | Cholly Luke | 1 |
| Ed Peck | Ernie | 1 |
| Lee Philips | Joe Meade | 1 |
| Elizabeth Allen | 1 | |
| Myron Healey | Charlie Barron | 1 |
| Dina Merrill | Laura Hammond | 1 |
| Barney Phillips | Capt. Jack Howard | 1 |
| Doris Singleton | Mavis Long | 1 |
| Macdonald Carey | Frederick Haley | 1 |
| Peter Helm | Ted Haley | 1 |
| Patricia Huston | Anne | 1 |
| Dianne Foster | Phyllis Wood | 1 |
| Laraine Day | Amnesiac Woman | 1 |
| Werner Klemperer | Franz Leder | 1 |
| Nobu McCarthy | Helen Low | 1 |
| Don 'Red' Barry | Kyle Horgan | 1 |
| Richard Anderson | 1 | |
| Jack Lord | Ernie Chapin | 1 |
| Philip Ahn | 1 | |
| Henry Jones | Ed Thurston, D.A. | 1 |
| Edward Binns | Harl Stoner | 1 |
| Tony Randall | Luther Gage | 1 |
| Richard Bakalyan | 1 | |
| Sebastian Cabot | 1 | |
| Les Tremayne | Simon Oelrich | 1 |
| Celeste Holm | Loraine Whitman | 1 |
| Milton Selzer | Wladyslaw Szorny | 1 |
| Norman Burton | Lou Lewis | 1 |
| Mary Astor | Esther Brack | 1 |
| Otto Kruger | George Emery | 1 |
| Arthur Franz | 1 | |
| Dorothy Malone | Lorna Shay | 1 |
| James Whitmore | 1 | |
| Jeffrey Hunter | Edward "Jocko" Townsend | 1 |
| Phillip Pine | Harry Clark | 1 |
| Frank Overton | Martin Brack | 1 |
| Olan Soule | 1 | |
| Signe Hasso | Marta Ragar | 1 |
| Tom Reese | Bucky Tate | 1 |
| Paul Langton | The Architect | 1 |
| Brendan Dillon | Father Thomas | 1 |
| Tod Andrews | Dr. James Low | 1 |
| Ross Elliott | Jerry Bronson | 1 |
| Émile Genest | Felix Landauer | 1 |
| Sid Caesar | Johnny Wilder | 1 |
| Sheila Bromley | Mrs. Welch | 1 |
| William Phipps | John Lee | 1 |
| Richard Conte | Victor Ragar/Romak | 1 |
| Sean McClory | Stamper | 1 |
| Patricia Neal | Fran Davis | 1 |
| Philip Ober | Marshall Winslow | 1 |
| Susan Kohner | Victoria Angelo | 1 |
| Mary LaRoche | Martha | 1 |
| Vinton Hayworth | 1 | |
| Joe De Santis | Joe Angelo | 1 |
| Chester Morris | Albert DeWitt | 1 |
| Herschel Bernardi | Ned Hazly | 1 |
| Charles Seel | The Electrician | 1 |
| Charles Seel | Georgie Prince | 1 |
| James Bell | Old Ben | 1 |
| Dennis Patrick | Nick Culley | 1 |
| Kenneth MacDonald | Elmer | 1 |
| Teru Shimada | Ling Chow | 1 |
| Louise Lorimer | Judge Singer | 1 |
| Henry Rowland | 1 | |
| Carolyn Craig | Joanna Leigh | 1 |
| William Allyn | Joel Drake | 1 |
| William Bramley | Burke | 1 |
| Jack Benny | Jack Bowen | 1 |
| George Petrie | Jack Pennell | 1 |
| Jay Adler | Baines | 1 |
| John Baragrey | Mitch Kane | 1 |
| Edward Mallory | Arthur Cole | 1 |
| Jack Rice | 1 | |
| Ronald Long | 1 | |
| Ilka Chase | Mary Milburn Reed | 1 |
| Stefan Schnabel | Anton Szorny | 1 |
| Bart Patton | The Young Man | 1 |
| Judith Braun | Barbara O'Mara | 1 |
| Carole Eastman | Julie Enhart | 1 |
| Audrey Dalton | Ann Miles | 1 |
| Maxine Stuart | Dianne Cartwright | 1 |
| John Emery | Lawrence Price | 1 |
| Kent Smith | Ainslee | 1 |
| Diana Lynn | Jodi Lynn | 1 |
| Joseph Hoover | Tommy Bigelow | 1 |