Glenn Morshower, who played Cassie’s father in Help, has also been in Black Hawk Down, Pearl Harbor, Godzilla, Air Force One, JAG, Star Trek: Generations, The River Wild, Under Siege, Tango & Cash, Enterprise, Alias, CSI, Millennium, The West Wing and Dead & Buried. He played Agent Pierce in 24 …

Benita Krista Nall, who played the girl talking to Anya in the Bronze in Beneath You, has been in 13 Going On 30, Catch Me If You Can and Minority Report.

Tess Hall who plays the pink-haired punk girl in Beneath You, also appeared in The Ring.

Rachael Bella, who played the dead girl in Lessons, has been in Law & Order: Special Victims Unit, ER and Grace Under Fire. She played Becca in The Ring.

Ken Strunk, who played the dead janitor in Lessons, played a Fire Marshall in three episodes of Spike’s favourite soap Passions.

Steven W. Bailey, who played the African demon in the cave at the end of season six, plays Steve in My Big Fat Obnoxious Fiance. He has also been in Mix Tape, Chestnut Hill, Will & Grace, Becker and Nash Bridges. Steven played Ryan in the Angel episode ‘Carpe Noctem‘.

Nichole Hiltz, who played Diana (the girl Warren hits on) in Seeing Red, has been in Austin Powers in Goldmember (which stars Seth Green), Shallow Hal and Dude, Where’s My Car?

Troy Brenna, who played the Nezzla demon in Seeing Red, was a regular Buffy and Angel stuntman. He played the Avilas demon in Help and the “Plated Demon” in the Angel episode ‘Ground State‘. Troy has also done stunts for Hulk, Cradle 2 the Grave, The Scorpion King and X-Men.

Sarah Michelle Gellar shows a hidden talent in Hell’s Bells that she can juggle.

Nick Kokich, who played the teenage demon talking to Dawn at the wedding in Hell’s Bells, played Daniel Cloud in The Alamo and Private Niebolt in The Last Castle.

Ashleigh Ann Wood played Xander’s daughter Sara (aged 18) in Hell’s Bells. She can also be seen in Joan of Arcadia, Like Family, ER, The Hidden Room and Beyond Reality.

Chris Emerson, who played Xander’s son Josh aged 21 in Hell’s Bells has been in Bring It On Again and What Women Want. He has also appeared in JAG, The District, 7th Heaven, Boston Public and Sabrina, the Teenage Witch.

Abigail Mavity, who played Xander’s daughter Sara (aged 8) in Hell’s Bells can also be seen in America’s Most Terrible Things, 100 Mile Rule, Malcolm in the Middle, Haunted, Becker, Strong Medicine, Gideon’s Crossing, Family Law, Touched by an Angel and Judging Amy.

Joey Hiott, who played Xander’s son Josh (aged 10) in Hell’s Bells, has been in Cowboy’s Christmas, Curb Your Enthusiasm, That ’70s Show, Malcolm in the Middle and The Bernie Mac Show.

Steven Gilborn, who played Xander’s Uncle Rory in Hell’s Bells, can also be seen in Formosa, The Kiss, Coastlines, Evolution, Alien: Resurrection, Nurse Betty, Doctor Dolittle, Private Parts, Final Vendetta, The Brady Bunch Movie, Ellen, Columbo, The Wonder Years (as Arthur Collins), 8 Simple Rules for Dating My Teenage Daughter, …