Robert Michael Ryan (born February 20, 1978) is an American actor, producer, writer and director. His acting career spans a number of direct-to-video features and guest roles on a variety of popular TV series, perhaps most notably as Marvin Jr., brother of Jason Segel's Marshall Eriksen, on CBS' How I Met Your Mother (2005–12). As a filmmaker, Ryan produced, wrote and directed Dark Revelations (2015), Ouija Witch (2023), Popeye the Slayer Man (2025) and its upcoming sequel.
Robert Michael Ryan has 26 screen credits in a career dating back to 1996. Their work is anchored in the The Things Collection universe with 1 titles. Signature works include Sleepwalker, Get the Girl, Haunted. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
