Title #1: Star Trek (TV Series 1966-1969)
Title #2: Bonanza (TV Series 1959-1973)
| Name | Char #1 | Char #2 |
|---|---|---|
| Chester Hayes | Sound Effects Man | Townsman |
| Sandra Smith | Janice Lester | Ann Harris |
| Pilar Seurat | Sybo | Ines Salinas |
| Karen Steele | Eve McHuron | Sylvia Ann Goshen |
| Ted Gehring | Second Policeman | Arch Tremayne |
| Felix Silla | Talosian | Sean |
| Jon Lormer | Dr. Theodore Haskins | Collings |
| Elisha Cook Jr. | Cogley | John Walker |
| Bruce Mars | Finnegan | Johnny |
| Charles Seel | Ed | Banker Weems |
| Robert 'Big Buck' Maffei | Creature | Hercules |
| Bart La Rue | Announcer | Bart Walters |
| Nick Borgani | Hood | Townsman |
| Ed Long | Midro | Deputy Sheriff |
| William Wintersole | Abrom | Frank Schulte |
| Anthony D. Call | Dave Bailey | Billy Davis |
| William Bramley | Policeman | Dan Fowler |
| Robert Brown | Lazarus | The Reverend |
| William H. O'Brien | Survivor | Townsman |
| Barry Atwater | Surak | L.B. Merrick |
| Al Roberts | Council Member | Carnival Attendee |
| Harry Townes | Reger | Judge David Terry |
| Hal Lynch | Air Police Sergeant | Haines |
| Tony Dante | Fabrini Oracle Guard | Townsman |
| James Doohan | Scott | Bill Collins |
| James Gregory | Dr. Tristan Adams | Mulvaney |
| Shirley Bonne | Ruth | Sally Bristol |
| Alfred Ryder | Prof. Robert Crater | Judge |
| Gene Dynarski | Ben | Hostler |
| Erik Holland | Ekor | Cleve Ferguson |
| Biff Elliot | Schmitter | Harley Lewis |
| Celeste Yarnall | Yeoman Martha Landon | Katie Kelly |
| John Crawford | Commissioner Ferris | Barton Roberts |
| Leonard Nimoy | Mr. Spock | Freddy |
| BarBara Luna | Marlena | Cayetena Losaro |
| Walker Edmiston | Balok | Auctioneer |
| Gil Perkins | Slave #3 | Barfly |
| Walt Davis | Klingon Soldier | Townsman |
| Michael Barrier | DeSalle | Luke |
| DeForest Kelley | Dr. McCoy | Tully |
| Walter Bacon | Onlooker on Street | Townsman |
| Cal Bolder | Keel | Arnie 'The Ape' Guthrie |
| Charles Dierkop | Morla | Nicholson |
| Whit Bissell | Lurry | Henry Neighbors |
| William Marshall | Daystrom | Thomas Bowers |
| Phillip Pine | Col. Green | Gannon |
| Kai J. Wong | Doctor | Townsman |
| Lawrence Montaigne | Decius | Sid Langley |
| Pete Kellett | Kirk's Henchman | Barfly |
| Vic Tayback | Krako | Everett Gaskell |
| Elizabeth Rogers | Lt. Palmer | Allie Lou |
| Warren Stevens | Rojan | Count Alexis |
| Albert Cavens | Klingon Crewman | Townsman |
| Ron Soble | Wyatt Earp | Morton |
| Anthony Caruso | Bela | Chief Keokuk |
| Robert Hitchcock | Miner | Ashton Troxell |
| Torin Thatcher | Marplon | Capt. Abel Morgan Stoddard |
| George Sawaya | Chief Humboldt | Gunman |
| Sally Kellerman | Dr. Elizabeth Dehner | Kathleen Walker |
| Marj Dusay | Kara | April Horn |
| K.L. Smith | Klingon | Deets |
| John Burnside | Bridge Crewmember | Party Guest |
| Steven Marlo | Zabo | Jack Barclay |
| Alyce Andrece | Alice #1 through 250 | Janice |
| Susan Oliver | Vina | Leta Malvet |
| Frank Overton | Elias Sandoval | Amos Crenshaw |
| Benjie Bancroft | Iotian Passerby | Barfly |
| John Harmon | Rodent | Rider |
| Bob Whitney | Soldier at Party | Townsman |
| Rhae Andrece | Alice #251 through 500 | Joan |
| Liam Sullivan | Parmen | Terrence O'Toole |
| David Sharpe | Security Officer | Davey |
| Noble 'Kid' Chissell | Server | Townsman |
| Clark Ross | Iotian Passerby | Townsman |
| Kathie Browne | Deela | Laura Dayton |
| William McCarter | Survivor | Townsman |
| Arnold Moss | Karidian | Chief Lone Spear |
| Ken Lynch | Vanderberg | Collier |
| Rube Schaffer | Survivor | Poker Player |
| Monty O'Grady | Council Member | Townsman |
| Eddie Hice | Security Guard | Carnival Attendee |
| Gail Bonney | Second Witch | Martha Daggert |
| Paul Baxley | Ensign Freeman | Brawler |
| Antoinette Bower | Sylvia | Martha Cartwright Dorcas |
| Lincoln Demyan | Sergeant | Amos |
| Madlyn Rhue | Marla | Hatoya |
| James Daris | Creature | Shorty |
| John Hoyt | Dr. Phillip Boyce | Judge Franklin Grant |
| Bill Zuckert | Johnny Behan | Browning |
| Carey Loftin | Truck Driver | Brawler |
| Foster Hood | Indian | Indian |
| Arthur Batanides | D'Amato | Pablo |
| John Wheeler | Gav | Bartender |
| Victor Toyota | Tsing Tao | Workman |
| Brioni Farrell | Tula | Regina Rossi |
| Kathryn Hays | Gem | Prudence Jessup |
| Lou Antonio | Lokai | Davey |
| John Fiedler | Hengist | Claude Miller |
| Ted Cassidy | Balok's Puppet | Garth |
| Michael Dunn | Alexander | George Marshall |
| Michael Forest | Apollo | Frank Shirmer |
| William Meader | Board Officer | Townsman |
| Robert Lansing | Mister Seven | Gunny O'Riley |
| John Abbott | Ayelborne | Zachariah Wickham |
| Robert Phillips | Space Officer (Orion) | Nate Jakes |
| Anthony Jochim | Third Survivor | Bailiff |
| Jeff Corey | Plasus | Frank Brennan |
| William Schallert | Nilz Baris | George Norton |
| Joan Marshall | Areel Shaw | Millie Perkins |
| Susan Howard | Mara | Laurie Nagel |
| Harry Basch | Brown | Prosecutor |
| Michael Witney | Tyree | Cliff Rexford |
| Jason Evers | Rael | J.D. Lambert |
| Skip Homeier | Melakon | Jack Geller |
| Don Keefer | Cromwell | Billy Harris |
| Steve Ihnat | Garth | Ganns |
| Robert Fortier | Tomar | Higgler |
| Ben Gage | Akaar | Deputy Pete |
| Tony Young | Kryton | Trace Cordell |
| William Campbell | Koloth | Wilburn White |
| Stewart Moss | Hanar | Aaron Bornstein |
| William Windom | Commodore Decker | Marshal Passmore |
| Sally Yarnell | Lieutenant | Townswoman |
| Joseph Glick | Man in Mission | Townsman |
| Bill Catching | Anti-Matter Lazarus Being #2 | Banker |
| Michael Dante | Maab | Miguel Ortega |
| John Zimeas | Spectator | Barfly |
| Julie Parrish | Miss Piper | Patty Lou Fairchild |
| Louise Sorel | Rayna | Marie |
| William O'Connell | Thelev | Broadside poster |
| Rudy Doucette | Staff Member | Townsman |
| Richard Evans | Isak | Billy Wilcox |
| Len Felber | Soldier at Party | Townsman |
| Ned Romero | Krell | White Wolf |
| Perry Lopez | Rodriguez | Duke Miller |
| Jack Perkins | Master of Games | Brawler |
| Alan Marston | Council Member | Townsman |
| Lee Bergere | Lincoln | Don Ricardo Fernandez |
| Jason Wingreen | Dr. Linke | Graham |
| Paul Fix | Doctor Piper | Barney |
| Morgan Woodward | Captain Tracey | Deputy Sheriff Rick Conley |
| Clint Howard | Balok | Michael Thorpe |
| Theodore Marcuse | Korob | Roudin the Great Mystic |
| Majel Barrett | Nurse Chapel | Annie Slocum |
| Marianna Hill | Helen Noel | Dolores Tenino |
| Celia Lovsky | T'Pau | Dona Theresa Esperanza |
| Ian Wolfe | Mr. Atoz | Amos |
| Jeanne Bal | Nancy Crater | Melissa |
| Gilbert Green | S.S. Major | Jensen |
| Ed McCready | Barber | Purdy |
| Mariette Hartley | Zarabeth | Alicia Purcell |
| Dick Cherney | Council Member | Townsman |
| Michael Pataki | Korax | Nicholas Kosovo |
| Ricardo Montalban | Khan | Matsou |
| Bob Miles | Cloud City Sentinel #2 | Townsman |
| Joanne Linville | Romulan Commander | Maggie Dowling |
| Diana Muldaur | Ann Mulhall | Mary Roman |
| Willard Sage | Thann | Marshal Sam Denton |
| Joe Walls | Slave | Townsman |
| Robert Strong | Romulan Guard | Townsman |
| Bill Borzage | Drunk | Townsman |
| Al Wyatt Sr. | Anti-Matter Lazarus Being #1 | Brawler |
| Shep Houghton | Cameraman | Townsman |
| Vic Christy | Capellan | Townsman |
| Lars Hensen | Betan Townsman | Townsman |
| Gene Lyons | Ambassador Fox | Taylor Daniels |
| Paul Power | Elder | Delegate |
| Roy Jenson | Cloud William | Craig |
| Jay D. Jones | Engineer | 1st Gunman |
| Clegg Hoyt | Transporter Chief Pitcairn | Barney |
| Bob Hoy | Horta | Little Cowboy |
| Richard Hale | Goro | Chief Winnemucca |
| Garry Walberg | Hansen | Bower |
| Edwin Rochelle | Man With Newspaper | Townsman |
| Byron Morrow | Admiral Komack | Defense Atty. Belden |
| Bruce Watson | Green | Clay |
| Alan Bergmann | Lal | Gilly Maples |
| Stanley Adams | Cyrano Jones | Sheriff Tate |
| Jim Michael | Hood | Saloon Patron |
| Paul Carr | Lt. Lee Kelso | McNeil |
| Ed Peck | Col. Fellini | Pollard |
| Hal Baylor | Guard | Arch Stewart |
| Charles Cirillo | Barfly | Townsman |
| Lisabeth Hush | The Companion | Karen Jons |
| Joe Evans | Survivor | Party Guest |
| Ed Bakey | The First Fop | Hake |
| Kim Darby | Miri | Trudy Loughlin |
| Robert Walker Jr. | Charlie Evans | Mark Cole |
| Glenn Corbett | Zefram Cochrane | Howie Landis |
| Troy Melton | Eminiar Guard | Gunman |
| Robert Sampson | Sar 6 | Artie Clay |
| Max Wagner | Man in Mission | Townsman |
| Joe Garcio | Man in Mission | Townsman |
| Robert D'Arcy | Pedestrian | Townsman |
| Rex Holman | Morgan Earp | Floyd Brennan |
| Charles Maxwell | Virgil Earp | Buck |
Total crossover count: 196
1. Enter two TV show names into the boxes above (just needs to be close enough for search)
2. Press enter or submit.
3. Click on the link of the first show you want to compare (top five results)
4. Click on the link of the second show you want to compare (top five results)
Note: clicking on the second link first assumes you want to pick the first link in the first set
5. Type over the search results to compare a new show to the other one in the list
6. Click on the actor name hyperlink to look at full credits for the actor
Note: hold down link on phone and 'open new tab in incognito mode' to get the text version