Monroe Jackson Rathbone V (born December 14, 1984) is an American actor, singer, and musician best known for his role as Jasper Hale in The Twilight Saga film series.

[6] Because his father's job at Mobil Oil took the family to different places, he lived in Singapore, Norway, and Indonesia before settling in Midland, Texas.

[8] After being in Los Angeles for a short time, Rathbone was cast in Disney 411, where he interviewed up-and-coming personalities like Hilary Duff and the sister duo Aly & AJ.

His film roles include work in Molding Clay, Pray for Morning, and Travis and Henry.

Rathbone formerly performed in a funk band called 100 Monkeys with two friends whom he met in high school at Interlochen Arts Academy, Ben Graupner and Ben Johnson,[9] as well as close friends Jerad Anderson and M. Lawrence Abrams ("Uncle Larry").

[19][20] In November 2010, it was reported he had been cast in the Warner Premiere and Dolphin Entertainment action comedy web series Aim High alongside Aimee Teegarden.

[23] In May 2011, Rathbone began shooting Live at the Foxes Den, a film in which he plays the lead role of lawyer Bobby Kelly.

Rathbone is an honorary board member for Little Kids Rock, a national nonprofit that works to restore and revitalize music education in disadvantaged U.S. public schools.

He has shown support for the organization in several ways, including donating a signed Twilight script for auction, visiting a Little Kids Rock classroom, and delivering instruments to students.