Ross Martin as Charlie Chan

Richard Haydn as Andrew Kidder

Louise Sorel as Ariane Hadrachi

Joseph Hindy as Paul Hadrachi

Kathleen Widdoes as Irene Hadrachi

Don Gordon as Lambert

Peter Donat as Noel Adamson

Leslie Nielsen as Alexander Hadrachi

Rocky Gunn as Peter Chan

Virginia Ann Lee as Doreen Chan

Ernest Harada as Oliver Chan

Soon-Tek Oh as Stephen Chan

Patricia Gage as Sylvia Grombach

Ted Greenhalgh as Dr. Howard Jamison

Graeme Campbell as Inspector MacKenzie

Neil Dainard as Richard Lovell

Otto Lowy as Anton Grumbach

Pearl Huang as Jan Chan

Adele Yoshioka as Mai-Ling Chan

John Juliani as Gian Carlo Tui

William Nunn as Fielding