Recently-appointed Montrose manager David Robertson has made four signings as he seeks to lift his side into the Division Three promotion battle.
Midfielder Keith Gibson returned to Links Park on loan after being placed on the transfer list by Peterhead.
Forward Jim Mercer, released by Stenhousemuir during the summer, has signed until January.
And midfielder Danny Campbell arrives via Ashton United and defender Kangana Lord Ndiwa was last with Worthing.
The 21-year-old Campbell, who has played for West Brom, Wolves and Stockport County, has signed as an amateur.
Angola-born Swedish youth international Kangana, 22, has been on the books at Bolton, Oldham and Rochdale was playing in Slovenia last season.
Gibson became a regular with Peterhead for two seasons after leaving Montrose in 2004.
Mercer, 32, started his career with Queen's Park before moving to Arbroath, Albion Rovers then Stenhousemuir.