Rob has also appeared in episodes of Chicago Hope, Buffy the Vampire Slayer, Felicity, Birds of Prey, Alias, Threshold, Head Case and Lucifer.
Alongside Richard Speight Jr. and Matt Cohen, Rob is a regular at conventions. The three are known collectively as R2M by fans. He, along with Richard, are creators and actors of the series King of Con (which was canceled after one season).
Rob can play the guitar, a skill which he demonstrated in episode "Don't Call Me Shurley". He demonstrates this skill most as a member of the band known as Louden Swain, which released its fourth album in 2014.
Rob has also described himself as a fan of Misha Collins.
- Season 4
- Season 5
- Season 10
- Season 11
- Season 14
- Season 15
- Rob is the brother of actress Amy Benedict and the ex-husband of Mollie Benedict, with whom he is the father of a son and a daughter. He resides in Los Angeles with his family.
- In October 2013, Rob suffered a stroke during a convention. His friend Richard rushed him to the hospital, where the doctors told them that had they been a few hours late, Rob would have died. This inspired Rob to start campaigns involving cancer prevention.