Academy graduates Brendan Wiredu, Taylor Maloney and Toby Stevenson have been recalled from their loan spells at Colchester United, Newport County and Dagenham & Redbridge respectively.
Wiredu, 20, has played 10 games in all competitions for the League Two outfit, setting up the second goal in their 3-0 win over Swindon Town in September but hasn't featured for the U's in recent months with boss John McGreal pitting the lack of game time down to it being a 'juggling act'.
Maloney, 20, has featured 16 times for Newport, netting a hat-trick in their extraordinary 7-4 EFL Trophy win over Cheltenham Town in November.
Meanwhile Stevenson, also 20, has made 10 appearances for Dagenham & Redbridge after initially joining on a month long loan before having his stay with the National League side extended.
They will all be eligible to play in Sunday's FA Cup third-round clash with West Bromwich Albion at The Valley