Beck is known predominantly for his roles as Swan in the action film "The Warriors" (1979), Sonny Malone in "Xanadu" (1980), Lieutenant Commander Dallas in "Megaforce" (1982), and Koda in "Triumphs of a Man Called Horse" (1983). Both the "Xanadu" and "Megaforce" roles garnered him Razzie nominations, for Worst Actor and Worst Supporting Actor, respectively. Beck has appeared in other movies such as "Warlords of the 21st Century" (1982), "Wes Craven's Chiller" (1985), "Gone to Texas" (1986) as James Bowie, and "Forest Warrior" (1996).