Terence Aloysius 'Slip' Mahoney
Horace Debussy 'Sach' Jones / Prof. Maurice Gaston Le Beau
Louie Dumbrowsky
Mimi Du Bois
Dr. Gaspard
Vidal (as John E. Wengraf)
Celeste Gambon (as Marianna Lynn)
Chuck (as David Condon)
Butch (as Bennie Bartlett)
Jacques Gambon
Pierre, Butler
Marcel, Maitre d'
Party Guest (uncredited)
Dinner Party Guest (uncredited)
Henri (uncredited)
Servant at Dinner (uncredited)
Diner at Sidewalk Cafe / Party Guest (uncredited)
United Nations Intelligence Man (uncredited)
Lestrade (uncredited)
Monsieur LaCosta (uncredited)
Waiter at Sidewalk Cafe (uncredited)
Plane Passenger (uncredited)