Spencer entered the casting world in 2003 when he became assistant manager of Westside Casting Studios in West L.A. Shortly thereafter he transitioned to behind the camera where he works regularly directing sessions for commercial casting directors. He's worked on over a thousand commercials and helped over a 100,000 actors find work in the commercial world. He's directed at many Los Angeles casting facilities including 200 South, Ocean Park Casting, Village Studios, Culver City Casting, The Casting Lounge, 310 Studios, Castaway, Envision Studios and Broadway Studios. A few of the casting directors he's worked for are Ross Lacy Casting, Spot Casting, Dowd/Roman Casting, Mel & Liz Casting, Petite: A Casting Company, Joe Blake Casting, Cathi Carlton Casting, Ava Shevitt Casting. Spencer's also been an on-set acting coach for Epoch Films in Los Angeles and New York.