Lorentz took part during Thursday's first practice, while Benoit was excused to welcome his first child.
Kaskisuo played one game with the Maple Leafs in Nov. 2019 and spent multiple seasons with the Marlies.
The oft-injured goaltender signed a three-year, contract extension worth $11 million, which begins in 2025.
After initially requesting to be traded in June, Robertson signed a one-year, $875,000 contract just before training camp began.
Alex played 23 NHL games with the Columbus Blue Jackets last season, scoring 11 goals and four assists.
Benoit signed a three-year, $4.05 million extension with the Maple Leafs on Mar. 29.
The 19-year-old is coming off an MVP season with the London Knights and is pushing for a spot with the Leafs this season.
Nylander began Maple Leafs training camp last season at center, but the experiment was cut short after just two games.
Treliving addressed the injuries of Connor Dewar, Fraser Minten, Ben Danford, and Ryan Tverberg.
In total, there are 75 players listed who will compete for a spot on the Leafs’ roster out of training camp.
Remember, we are all Canucks!