John H. Marshall

Dr. Erasmus B. Quackenbush

Acting

Homer White

Bevins

Acting

James Heigham

Dr. Quackenbush's Nephew

Acting

David Heigham

Dr. Quackenbush's Nephew

Acting

Toni Matt

Himself

Acting

Benno Rybizka

Himself

Acting

Hannes Schneider

Himself

Acting

Lucy Twitchell

Girl Racer

Acting

Joe Dodge

Himself

Acting

Harvey Dow Gibson

Acting