Robert Michael Ryan
Acting
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.
Known for
Acting15
movieSleepwalker
2022
The Unknown
movieDolls
2019
Orderly
movieNecrosis
2010
Michael
movieGet the Girl
2009
Freddy
tvHow I Met Your Mother
2005
Marvin Eriksen
tvMiss Match
2003
Tall Guy
movieBloodstream
2000
Frank
movieHaunted
1998
Officer Bob
tvV.I.P.
1998
Wilgan's Bodyguard (uncredited)
tvHang Time
1995
Earl Hatfield
Production6
moviePopeye the Slayer Man
2025
Executive Producer
movie12 to Midnight
2024
Executive Producer
movieOuija Witch
2023
Executive Producer
movieDolls
2019
Producer
movieNecrosis
2010
Executive Producer
Writing6
Directing4
Visual Effects1
movieOuija Witch
2023
Visual Effects