The Curious Dr. Humpp

Ricardo Bauleo

George

Gloria Prat

Rachel

Aldo Barbero

Dr. Humpp

Susana Beltrán

Nurse

Justin Martin

Barman

Michel Angel Olmos

Mary Albano

Al Bugatti

Héctor Biuchet

Inspector Benedict

Greta Williams

Alex Klapp

Norberto Nelson

Orestes Trucco

Barman (uncredited)

Emilio Vieyra

Pharmacist (uncredited)