All 88 actors in both Psych and Riverdale
88 actors have appeared in both Psych and Riverdale, across 256 episodes. The most-credited is Barbara Wallace, Coughing Woman in Psych and Rose Blossom in Riverdale.
| Actor | In Psych | In Riverdale | Eps | Eps |
|---|---|---|---|---|
| Barbara Wallace | Coughing Woman | Rose Blossom | 1 | 52 |
| Lochlyn Munro | Steve Rollins | Hal Cooper | 1 | 51 |
| Ryan Robbins | Vernon Stallings | Frank Andrews | 1 | 39 |
| Molly Ringwald | Nurse McElroy | Mary Andrews | 1 | 36 |
| Malcolm Stewart | Ted Archibald | Dr. Freiderich Werthers, Francis Dupont | 1 | 26 |
| Peter Bryant | FBI Agent | Principal Waldo Weatherbee | 1 | 44 |
| Kyra Leroux | Pippi Longstocking | Britta Beach, Rivervale Britta Beach | 1 | 17 |
| Gina Gershon | Emilina Saffron | Gladys Jones | 1 | 8 |
| Anthony Michael Hall | Harris Trout | Principal Featherhead | 3 | 1 |
| Greyston Holt | Todd Kramer | Glen Scot | 1 | 10 |
| William MacDonald | Phil | Principal Featherhead, Warden Norton | 1 | 19 |
| Peter Kelamis | Dr. Metz, Principal Petlic, Prosecutor #1 | Samm Pansky | 3 | 7 |
| Scott McNeil | Albert "Rip" Semento | Tall Boy | 1 | 9 |
| Garry Chalk | Houston Ray | Al Fieldstone | 1 | 10 |
| Juan Riedinger | Delivery Man | Dodger Dickenson | 1 | 6 |
| Brittany Willacy | Crunchy Waitress | Laura | 1 | 6 |
| Olivia Ryan-Stern | Hostess | Tina Patel | 1 | 6 |
| Luvia Petersen | Arlene | Counselor Brooke Rivers | 1 | 4 |
| Cameron McDonald | Dr. Sagher | Mr. Svenson | 1 | 3 |
| Christine Chatelain | Lacey Maxwell | Mrs. Chipping | 1 | 1 |
| Nelson Wong | Bartender | Dr. Phylum | 1 | 3 |
| Reese Alexander | Patterson | Myles McCoy | 1 | 3 |
| Paul Lazenby | Guard, James Earl Vest | Manager, Inmate #1 | 2 | 3 |
| Adrian Hough | Moustache Man | Doc | 1 | 2 |
| Mädchen Amick | Jacqueline Medeiros | Elaina Alexis, Principal Cooper | 1 | 2 |
| Gardiner Millar | Ranger De Soto | General Taylor | 1 | 3 |
| Jase Anthony Griffith | Butcher, Frank | Stonewall Coach | 2 | 1 |
| Jerry Wasserman | Jack Atwater | Mr. Lazenby | 2 | 1 |
| Kwesi Ameyaw | Detective Ocampo | Dr. Masters | 1 | 2 |
| Peter New | Rusty | Bobby | 1 | 3 |
| Sandy Wayne Robson | Logan | Ted Bishop | 1 | 2 |
| Mackenzie Gray | Gregor Uwe-Steeb | Dr. Curdle | 1 | 3 |
| Michael St. John Smith | Mort Crocker | Coach Kleats | 1 | 3 |
| Alex Zahara | Alan Zenuk | Uncle Bedford | 1 | 2 |
| Ben Wilkinson | Vance McMillan | Announcer | 1 | 1 |
| Crystal Balint | Reporter | Dr. Sherry Winters | 1 | 1 |
| Fred Henderson | Flying Instructor | Governor Dooley | 1 | 3 |
| Jason Simpson | Vladimir | Serpent Bartender | 1 | 1 |
| John Innes | Chief Herb Wilkins | Monsignor Murphy | 1 | 3 |
| Matthew Harrison | Daniel Bethel | Mr. Wallis | 1 | 1 |
| Tony Todd | Detective Moses Johnson | Farmer McGinty | 1 | 1 |
| Angela Moore | Female Officer | Sister Agnes | 1 | 2 |
| Ben Cotton | Barlow, Chance Cade | Michael Matthews | 2 | 1 |
| Billy Wickman | Vito | Hunter Malloy | 1 | 2 |
| Russell Roberts | Host | Headmaster | 1 | 2 |
| Catherine Lough Haggquist | Lisa | Mrs. Tate | 1 | 1 |
| June B. Wilde | Female Worker | Waitress | 1 | 1 |
| Karen Holness | Lillian | Mrs. Logan | 1 | 1 |
| David Attar | Nestling Man | Bruiser | 1 | 2 |
| Jenn Griffin | Desk Sergeant, Thumper | Byrdie | 2 | 1 |
| Kathryn Zenna | Attractive Woman | Mrs. Keller | 1 | 2 |
| Mark Brandon | Jackson Hale | Xavier St. Clair | 1 | 2 |
| Darcy Laurie | Bodie Lambert | Shop Owner | 1 | 1 |
| Kathleen Duborg | Mary Vallery | Older Mother | 1 | 1 |
| Ron Selmour | Darryl | Toots Sweet | 1 | 1 |
| Sean Owen Roberts | Juice Box | Edgy Gangster | 1 | 1 |
| Steve Makaj | Safety Inspector Butch Hicks | Jinx Malloy | 1 | 1 |
| Michelle Brezinski | Jewelry Store Clerk | Simone St. Clair | 1 | 2 |
| Valerie McNicol | Vineyard Guest | Real Estate Agent | 1 | 2 |
| Alessandro Miro | Sal | Mario | 1 | 1 |
| Sharon Taylor | Jasmine Richards | Tia Margot | 1 | 1 |
| Linden Banks | Lawrence Cross | Newsstand Vendor | 1 | 2 |
| Alex Rockhill | Kato | Janitor | 1 | 1 |
| Andrew Wheeler | Mr. Tully | Marco Marquez | 1 | 1 |
| Dan Zukovic | Bank Manager | Key-Keeper | 1 | 1 |
| Andre Tricoteux | Leatherface | Small Fry Boucher | 1 | 1 |
| Candus Churchill | Lady | Ms. Moore | 1 | 1 |
| Patrick Keating | Landlord | Willie | 1 | 1 |
| Rocky Anderson | Cop | Sketchy Trucker | 1 | 1 |
| Sean Amsing | Clerk | Public Defender | 1 | 1 |
| BJ Harrison | Bea Gamble | Gloria | 1 | 1 |
| Chris Shields | Minister | Mr. Logan | 1 | 1 |
| Jaeson Lee | Criminal #1 | Berserker | 1 | 1 |
| Paul Anthony | Todd | Trevor Collins | 1 | 1 |
| Rob Carpenter | Neck | Sketch Artist | 1 | 1 |
| Donna Soares | Officer | Mrs. Mantle | 1 | 1 |
| Enid-Raye Adams | Pharmacist | Head Nurse | 1 | 1 |
| Gina Stockdale | Poppy | Older Women | 1 | 1 |
| Kyle Jespersen | Cooper | Loading Dock Guard | 1 | 1 |
| Michelle Addison | Woman | Britta's Mom | 1 | 1 |
| Sal Sortino | Driver | Foreman | 1 | 1 |
| Cameron Park | Driver | Restaurant Owner #2 | 1 | 1 |
| Maria J. Cruz | Woman #2 | Nurse #1 | 1 | 1 |
| Michael Puttonen | Sergei Czarsky | Junkyard Steve | 1 | 1 |
| Tom Pickett | Lou Gamble | Minister | 1 | 1 |
| Broadus Mattison | Lane Scott-Thomas | Boy Scout Dad | 1 | 1 |
| Robert Parent | Malcolm Orso | Alpha Stockbroker | 1 | 1 |
| Sean Quan | Pale Boy #3 | Boy Scout | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.