Actor Ray of 'The Green Berets' is ALDO Ray, an American actor who starred in many films and television shows throughout his career. He is best known for his role as Sgt. Muldoon in the 1968 war film The Green Berets. ALDO Ray was born in Pennsylvania in 1926 and began his acting career in 1950. He appeared in over 100 films and television shows throughout his career, including roles in The Naked and the Dead, The Marrying Kind, and The Green Berets.