Marvin Kaplan's acting received many laughs in the various comedies he played in throughout his career. Kaplan's earliest roles were in film, including the Paul Douglas fantastical comedy "Angels in the Outfield" (1951), "Behave Yourself" (1951) and the comedy "Wake Me When It's Over" (1960) with Ernie Kovacs. He also appeared in the comedy "A New Kind of Love" (1963) with Paul Newman, the Jerry Lewis comedy "The Nutty Professor" (1963) and "It's a Mad, Mad, Mad, Mad World" (1963) with Spencer Tracy. His passion for acting continued to his roles in projects like "Freaky Friday" (1976) and the Ronny Cox comedy "Hollywood Vice Squad" (1986). He also appeared in the TV special "The Chicago Teddy Bears" (1971-72). He also worked in television around this time, including a part on "Julia" (1968-1971). He also was featured in the TV movie "Double Your Pleasure" (1989-1990). He held additional roles in television including a part on "On the Air" (1991-92). Kaplan most recently voiced characters in "Disney's Lloyd in Space" (2000-02).