Topzle Updated: Wikipedia source
Katerina Alexandre Hartford Graham (born September 5, 1989) is a Swiss-born American actress, singer, dancer, and activist. She played Bonnie Bennett on the CW supernatural drama series The Vampire Diaries (2009–2017). Her film credits include The Parent Trap (1998), 17 Again (2009), The Roommate (2011), Honey 2 (2011), Addicted (2014), and All Eyez on Me (2017). Graham has released two EPs and four studio albums.
| Year | Title | Role | Notes |
| 1998 | The Parent Trap | Jackie | |
| 2004 | Johnson Family Vacation | Dancer | |
| 2009 | 17 Again | Jamie | |
| 2011 | The Roommate | Kim Johnson | |
| Honey 2 | Maria Ramirez | ||
| Dance Fu | Chaka Lovebell | Direct-to-video film | |
| 2012 | Boogie Town | Ingrid | |
| 2014 | Addicted | Diamond | |
| 2015 | Muse | Muse | Short film and also producer |
| 2017 | All Eyez on Me | Jada Pinkett | |
| Where's the Money | Alicia | ||
| 2018 | How It Ends | Samantha | |
| The Holiday Calendar | Abby Sutton | ||
| 2019 | The Poison Rose | Rose | |
| 2020 | Cut Throat City | Demyra | |
| Emperor | Delores | ||
| Operation Christmas Drop | Erica Miller | ||
| 2022 | Rise of the Teenage Mutant Ninja Turtles: The Movie | April O'Neil (voice) | |
| Heatwave | Claire Valens | Also executive producer | |
| Love in the Villa | Julie Hutton | ||
| 2025 | Tyler Perry's Duplicity | Marley | |
| The Move | Lee | Short film, also executive producer and directorial debut | |
| 2026 | Michael | Diana Ross | Scenes deleted |
| Year | Title | Role | Notes |
| 2002 | Lizzie McGuire | Posse Member | Episode: "You're a Good Man, Lizzie McGuire" |
| 2003 | Strong Medicine | Ashley Collins | Episode: "Degeneration" |
| Malcolm in the Middle | Val | Episode: "Watching the Baby" | |
| 2004 | Joan of Arcadia | Angela | Episode: "No Bad Guy" |
| Like Family | Girl | Episode: "Romancing the Home" | |
| Grounded for Life | Laura | Episode: "Psycho Therapy" | |
| 2006 | The O . | Kim | Episode: "The Undertow" |
| CSI: Crime Scene Investigation | Tisha | Episode: "Poppin' Tags" | |
| 2007 | Greek | Dancer | Episode: "The Rusty Nail" |
| Hell on Earth | Felicia | Television film | |
| 2008–2009 | Hannah Montana | Allison | 3 episodes |
| 2008 | Our First Christmas | Bernie | Television film |
| 2009–2017 | The Vampire Diaries | Bonnie Bennett | Main cast |
| 2012 | Ridiculousness | Herself | Episode |
| Oh Sit! | Herself | Episode | |
| 2013 | Hell's Kitchen | Herself | Episode: "Winner Chosen" |
| The Show with Vinny | Herself | Episode | |
| 2014 | Whose Line Is It Anyway? | Herself | Episode |
| 2015 | Stalker | Christine Harper | Episode: "Love Kills" |
| 2018–2020 | Rise of the Teenage Mutant Ninja Turtles | April O'Neil | Main voice role |
| 2019 | Drop the Mic | Herself | Episode: "Kat Graham vs. Shameik Moore / Nikki Glaser vs. Brad Williams" |
| Robot Chicken | Alex | Voice role; Episode: "Garfield Stockman in: A Voice Like Wet Ham" | |
| 2020 | Fashionably Yours | Lauren | Television film |
| 2020–present | Trolls: TrollsTopia | Rhythm & Blues | Main voice role |
| 2021 | Nickelodeon's Unfiltered | Herself | Episode: "Otter Docs & Polka Dots" |
| 2022 | The Masked Singer | Robogirl | Episode: "Muppets Night" |
| Title | Year |
| Roxbury Drive | Released: September 25, 2015 Label: Sound Zoo Records Formats: Digital download |
| Love Music Funk Magic | Released: June 2, 2017 Label: Sound Zoo Records Formats: Digital download |
| Toro Gato: Part II (Deluxe Edition) (as Toro Gato) | Released: January 28, 2022 Label: Toro Gato Formats: NFT, Cassette tape+Vinyl+NFT |
| Long Hot Summer | Released: June 3, 2022 Label: Sound Zoo Records Formats: Digital download |
| Title | Year | Peak chart positions |
| US Heat | ||
| Remixes | Released: July 26, 2011 Label: Perezcious Records Format: Free digital download | — |
| Against the Wall | Released: May 29, 2012 Label: A&M/Octone Records Formats: CD, digital download | 4 |
| TORO GATO: PART I (as Toro Gato) | Released: September 10, 2021 Label: Toro Gato Formats: NFT | — |
| TORO GATO: PART II (as Toro Gato) | Released: January 28, 2022 Label: Toro Gato Formats: NFT | — |
| The Broken Hearts Club | Released: November 1, 2024 Label: Sound Zoo Records Formats: digital download | — |
| Title | Year | Peak chart positions | Album | ||
| US | US Dance | UK Pop Club | |||
| "I Want It All" | 2010 | — | — | — | Kat Graham (shelved) |
| "Sassy" | — | — | — | ||
| "Cold Hearted Snake" | — | — | — | ||
| "Put Your Graffiti on Me" | 2012 | — | 5 | — | Against the Wall |
| "Wanna Say" | — | 25 | — | ||
| "Power" | 2013 | — | — | — | Non-album single |
| "1991" | 2015 | — | — | — | Roxbury Drive |
| "Secrets" (featuring Babyface) | — | — | — | ||
| "All Your Love" | 2016 | — | — | — | Love Music Funk Magic |
| "Sometimes" | 2017 | — | 4 | 6 | |
| "If Eye Could Get UR Attention" | 2018 | — | — | 2 | |
| "SWIM" (as Toro Gato) | 2021 | — | — | — | TORO GATO: PART I |
| "Oprah Rich" | 2022 | — | — | — | Long Hot Summer |
| "Long Hot Summer" | — | — | — | ||