Dean Jones as Jim Douglas

Don Knotts as Wheely Applegate

Julie Sommars as Diane Darcy

Jacques Marin as Inspector Bouchet

Roy Kinnear as Quincey

Bernard Fox as Max

Eric Braeden as Bruno Von Stickle

Xavier Saint-Macary as Detective Fontenoy

François Lalande as Monsieur Ribeaux

Alan Caillou as Emile

Laurie Main as Duval

Mike Kulcsar as Claude

Johnny Haymer as Race Official

Stanley Brock as Taxi Driver

Gérard Jugnot as Waiter

Jean-Marie Proslier as Doorman

Tom McCorrey as Showroom M.C.

Lloyd Nelson as Mechanic

Jean-Jacques Moreau as Truck Driver

Yveline Briere as Girl Friend

Sébastien Floche as French Tourist

Madeleine Damien as Old Woman

Alain Janey as Man at Cafe

Raoul Delfosse as Police Captain

Edward Marcus as Exhibit M.C.

Dick Warlock as Driver

Jerry Brutsche as Driver

Kevin Johnston as Driver

Bob Harris as Driver

Carey Loftin as Driver

Jesse Wayne as Driver

Bill Erickson as Driver

Regis Parton as Driver

Josiane Balasko as Girl in Purple (uncredited)

André Penvern as French Policeman (uncredited)