Cast from Charlie Chan at the Olympics

Warner Oland

Charlie Chan

Katherine DeMille

Yvonne Roland

Pauline Moore

Betty Adams

Allan Lane

Richard Masters

Keye Luke

Lee Chan

C. Henry Gordon

Arthur Hughes

John Eldredge

Mr. Cartwright

Layne Tom Jr.

Charlie Chan Jr

Jonathan Hale

Mr. Hopkins

Morgan Wallace

Honorable Charles Zaraka

Frederick Vogeding

Inspector Strasser

Andrew Tombes

Chief of Homicide E. R. Scott

Howard Hickman

Police Doctor

Arno Frey

Carlos, Zaraka's Henchman

David S. Horsley

Test Pilot Edwards

Theresa Harris

Athlete

George Chandler

Ship's Radio Operator