Bent has starred in various lead and supporting roles both in film and television since he began his acting career in the early 2000s. Prior to landing a co-starring role in the drama series Angela's Eyes, he guest starred on the UPN series Kevin Hill opposite Taye Diggs, and USA Network's Kojak opposite Ving Rhames. After appearing on several television shows, Playback Magazine listed him as one of Canada’s top rising stars.
Bent attracted further attention when he co-starred in the hit horror films Saw II and Saw III as Officer Daniel Rigg. He later starred as one of the central characters in Saw IV.
From 2010–2014 he co-starred in the Canadian television series Rookie Blue, portraying Staff Sergeant Frank Best.
Bent recently portrayed Chekura Tiano in the television miniseries The Book of Negroes, based on the best-selling novel by Lawrence Hill. For this role, Bent won the award for Best Actor in a Leading Dramatic Role at the 2016 Canadian Screen Awards.