[2] He began his career as a child acrobat and later worked as a stunt man before transitioning to an assistant director role.

"[4] His family's troupe toured internationally, performing as a featured act with the Ringling Brothers circus.

[4] In Los Angeles, Malvern's first work in film came as a double for Mary Pickford, and he soon began performing stunts.

[5] His first major stunt appearance was doubling for Eileen Sedgwick in Beasts of Paradise (1923).

[1] In 1928, Malvern suffered serious injuries in a 70 feet (21 m) fall, and he retired from stunt performing, subsequently working as a producer for Universal Pictures and Monogram.